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truefree O2 Open-Ear Headphones, Air Conduction Bluetooth 5.3 Wireless Earbuds, 22 Hours of Playtime, Four Mics Clear Calls, 15mm Enhanced Bass, Multipoint Connection, App Control, Commute, Workout

Original price was: £39.99.Current price is: £19.99.

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Price: £39.99 - £19.99
(as of Jun 12, 2025 17:22:46 UTC – Details)

Product Description

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. hero-video Merchant video

O2 O2 O2 O2
1 Seleted Material

2 Open-Ear Design

3 Ergonomic Shape

4 Ultra-Lightweight

O2 O2 O2 O2
1 Situational Awareness

2 Four Microphones

3 Pleasant Sound

4 Stylish Design

O2 O2 O2 O2
1 Customized Settings

2 Dual Connection

3 Long Lasting

4 Advanced Technology

O2 O2 O2 O2
1 Sports Headphones

2 Intimate Companion

3 Intuitive Touch

4 Easy Carrying

TRUEFREE O2

More in TRUEFREE

Bluetooth 5.3

Bluetooth Version

Bluetooth 5.4

15 mm

Driver Diameter

10.8 mm

6.5 Hours

Playtime Per Charge

5.5 Hours

22 Hours

Playtime with Case

25 Hours

IPX5

Waterproof Level

IPX4

Touch Control

Control Type

Touch Control

Dual Connection

Bluetooth 5.3

Bluetooth Version

Bluetooth 5.4

15 mm

Driver Diameter

12 mm

6.5 Hours

Playtime Per Charge

8 Hours

22 Hours

Playtime with Case

28 Hours

IPX5

Waterproof Level

IPX5

Touch Control

Control Type

Button Control

Dual Connection

Bluetooth 5.3

Bluetooth Version

Bluetooth 5.3

15 mm

Driver Diameter

16.2 mm

6.5 Hours

Playtime Per Charge

15 Hours

22 Hours

Playtime with Case

No Charging Case

IPX5

Waterproof Level

IPX4

Touch Control

Control Type

Button Control

Dual Connection

Bluetooth 5.3

Bluetooth Version

Bluetooth 5.3

15 mm

Driver Diameter

16.2 mm

6.5 Hours

Playtime Per Charge

10 Hours

22 Hours

Playtime with Case

45 Hours

IPX5

Waterproof Level

IPX4

Touch Control

Control Type

Touch Control

Dual Connection

TRUEFREE B1 B1

TRUEFREE Clip C10 C10

TRUEFREE F2 O2

TRUEFREE O1 O1

Product Dimensions ‏ : ‎ 5.43 x 3.95 x 2.13 cm; 8 g
Date First Available ‏ : ‎ 31 May 2024
Manufacturer ‏ : ‎ truefree
ASIN ‏ : ‎ B0D54DLM8V
Item model number ‏ : ‎ truefree O2
Country of origin ‏ : ‎ China
Guaranteed software updates until ‏ : ‎ unknown
Delivery information:: We cannot deliver certain products outside mainland UK ( Details). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout.

[Ultimate Comfortable Experience] – Crafted with liquid silicone and nickel-titanium memory steel, the Truefree O2 earbuds feature ultra-comfortable, secure over-ear hooks. Weighing just 8g per earbud, you’ll barely notice them during commutes, housekeeping, or workouts, ensuring a seamless and enjoyable experience throughout your day.
[Situational Awareness] – Designed with an open-ear concept and advanced air conduction technology, these wireless headphones let you enjoy your favorite music while staying aware of your surroundings. This feature enhances safety during activities like driving, running, cycling, and hiking, keeping you both entertained and alert.
[Immersive Sound with Less Leakage] – Featuring 15mm drivers, bass enhancement algorithm and state-of-the-art sound directional transmission technology, these earbuds deliver a natural and balanced sound with minimal leakage. Enjoy a private and immersive listening experience, no matter where you are.
[Clear Calls with Four Mics and ENC] – Equipped with dual microphones and Environment Noise Cancelling (ENC) technology, these earbuds accurately capture your voice and eliminate background noise. Experience crystal-clear call quality for smooth communication in any environment.
[Dual Connection and App Control] – Download the Truefree App from the Apple Store or Google Play to customize your settings and manage the multipoint connection function. Seamlessly switch between two connected devices, providing convenience and flexibility in your daily routine.
[22 Hours of Listening Time] – Enjoy up to 6.5 hours of playtime on a single charge, with the stylish charging case extending total listening time to 22 hours. Additionally, the 70ms game mode ensures these earbuds are perfect for gaming and other activities, making them an ideal companion.

Customers say

Customers find these headphones excellent in sound quality, appreciating their ability to hear surroundings while wearing them and their powerful volume. They are comfortable to wear, with one customer noting the soft silicon ear coil, and another mentioning they work well with glasses. Customers praise the earphones for being easy to pair with iPhones, having good build quality, and a classy case design. The battery life is impressive, offering up to 22 hours of playtime, and customers consider them excellent value for money.

10 reviews for truefree O2 Open-Ear Headphones, Air Conduction Bluetooth 5.3 Wireless Earbuds, 22 Hours of Playtime, Four Mics Clear Calls, 15mm Enhanced Bass, Multipoint Connection, App Control, Commute, Workout

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  1. Speaker cables

    Great earphones
    I struggle to find earphones that will fit inside my ear.So have to purchase a hook over your ears type.I’ve seen this type of headphones before I bought really cheap pair in the past about £7 that just to see what they were like naturally they were rubbish.These are perfect they came fully charged.I’m currently doing a zoom meeting on my laptop with The lesson coming over the speakers and I’m wearing my new headphones listening to Don Henley ‘ boys of summer’ and I can still hear the trainer and the videos that are playing.I’ve also written this review with the voice recording facility on my iPhone and the speaker is so good it hasn’t made a single mistake.I used these headphones first thing this morning on my walk to speak to my girlfriend as I walked down the country lane where I live.I could speak to her and hear her clearly and also hear any vehicles coming up behind me.Definitely worth the money and good for the price, so give them a try.

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  2. Graeme

    Buy them you will not regret it!!!
    I’m not one for writing reviews but I just had to do one for these as they are absolutely superb.Over the years I have bought all kinds of earphones/headphones and I have usually gone for the big brand names that cost a fortune.I picked these up on here as used/like new for £25.99 and I honestly have to say it’s the best £25.99 I’ve spent in a long time.The sound quality once you play around with the equaliser on the app until you find your right sound is absolutely fantastic,I’m not going to go into all the mids/highs/bass crap but with these you can hear every instrument being played it’s not all jumbled up like with a lot of earphones/headphones these days.There’s is separation between the instrument like you’ll hear all the different sounds from the drum kit like snare drum here symbol just over there bass drum in the middle it’s like you’re sitting behind the kit it’s self with the guitar/bass/vocals out in front of you.I don’t know how they managed it for such a cheap set of earphones but these are my everyday use earphones now where as I used to use my Marshall Monitor II and my Sony MX 5’s depending on which ones I fancied using on the day.I only wear headphones when I’m pottering about in the house so I’m not needing noise cancelling ets so I like how I can wear these but still hear my surroundings but this in no way spoils the sound quality.All I can say is buy them try them and you will not be disappointed.I like them so much I’ve even started wearing them when I’m out walking the dog and I don’t usually like wearing earphones or headphones when I’m walking but I literally don’t want to take them off once I put them on.I only listen to Metal/hard rock and it’s sounds amazing so I assume they will sound even better with the “modern day music”.I also tried a more expensive pair of soundcore ones of the same design but I have returned them as the sound quality was no where as good as these.The soundcore ones sounded bass heavy and muffled and there was no separation in the instruments what so ever it was horrible like my ears were full of water or something.Buy these you will not be disappointed.

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  3. AliWebs

    Good headphones
    I recently got the Truefree O2 wireless headphones, and I’ve been using them for a while now. Overall, I’m pretty impressed, but they’re not without a few quirks.First off, these earbuds are super lightweight—I barely notice them when I’m wearing them, even for hours at a time. The over-ear hooks feel soft and flexible, which is great for comfort, but here’s the thing: they don’t fit snugly on my ears. They feel a bit loose, especially during workouts or any fast-paced activities, which can get annoying. I wish the fit was more secure because the design is otherwise really sleek and practical.What I love most, though, is the sound quality. The audio is clear, natural, and surprisingly well-balanced, with decent bass that doesn’t overpower the rest of the sound. The call quality is also top-notch—thanks to the dual microphones and noise-canceling tech, everyone I’ve spoken to says I sound crystal clear.The open-ear design is a feature I didn’t know I’d appreciate so much. I can listen to music or podcasts while still being aware of what’s happening around me, which makes them perfect for running outdoors or biking. The situational awareness is a big win for safety.And then there’s the battery life—wow. I easily get around 5 hours on a single charge, and with the charging case, I’m good for a total of 14 hours. It’s one of the best parts about these earbuds, especially since I hate constantly worrying about charging my devices.The app is a nice touch, too. I can customize some settings and even switch between devices easily, which is super convenient for juggling between my phone and laptop.If I had to sum it up, I’d say these headphones are great for sound quality, battery life, and staying aware of your surroundings, but the loose fit is a bit of a dealbreaker for intense activities. If you don’t mind that, they’re definitely worth a try.

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  4. Gary Scott

    Fantastically Crisp Sound, Comfortable to Wear and Great Value for Money
    TRUEFREE has nailed the balance between performance and price. These headphones are perfect for commuting, Zoom/Teams calls, and casual music listening. I was especially pleased with the noise isolation, it blocks out a good amount of background noise whilst still having awareness of your surroundings. The charging case is compact and convenient, and the earbuds pair instantly with my phone. A great choice if you’re on the go!

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  5. Claire Keenleside & Paul Bowlas

    A Good Buy
    These are brilliant. They connect really easily to my phone, have great battery life and produce a clear sound with good volume, music and phone control. Most importantly, they are very comfortable and feel like a quality item. Ive bought more expensive headphones which have been nowhere near as good.

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  6. Esther

    Hola a todos,Una de las cosas que más me gusta de Amazon es que antes de decidirme a comprar un producto u otro (algo a veces bastante complicado), puedo leer las valoraciones realizadas por los compradores anteriores de los distintos artículos y tomar una decisión. Por eso hoy estoy escribiendo esta valoración, por si puede ser de utilidad para alguien.Siempre me ha parecido peligroso utilizar auriculares que no permitan escuchar nada del exterior cuando voy por la calle. Por ejemplo, no poder escuchar que un coche me pita mientras cruzo un paso de peatones.Por otra parte, los auriculares de conducción ósea me producen dolores de cabeza.Así que me decidí por estos auriculares de conducción de aire.Pues bien, deciros que estoy muy contenta con ellos.El diseño es muy bonito y deportivo, con un tacto muy agradable. Son muy ligeros, no se hacen pesados incluso después de un buen rato. Se ajustan con seguridad, tengo la tranquilidad de que no se van a caer. Y los puedo utilizar sin miedo a que empiece a llover, algo que ya me ha pasado.El control táctil hace que me resulten muy fáciles de manejar, no tener que estar tanteando a ver si doy con el botón adecuado para lo que quiero hacer es un gran invento.La batería dura lo que se indica, con la carga del estuche no me han dejado tirada. El tipo de conector es el USB-C, por lo que no hay problema, tengo muchos cables de ese tipo.Se empareja fácilmente, incluso con dos móviles. He probado a emparejarlo con el móvil personal y con el móvil del trabajo a la vez para poder utilizarlos mientras trabajo en casa, y van perfectamente.Y en cuanto a sonido, que al final es la función principal de los auriculares, es muy bueno tanto para música y podcast, como para llamadas. Suenan muy bien, también los graves.Las llamadas se escuchan nítidas.Como añadido, puedes descargarte una aplicación en el móvil que te permite manejar las funcionalidades de los auriculares (como deshabilitar el control táctil por ejemplo), realizar ajustes según el tipo de música que están escuchando, además de actualizar el firmware de los auriculares (me gusta saber que aún se pueden mejorar más), entre otros.Como resumen, son perfectos para aquellas situaciones en las que el ruido externo sea ocasional.Espero que mi valoración os pueda ser de utilidad. Muchas gracias por leer.

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  7. Bodson Grégory

    Super son très pratique pour le sport confort auditif top

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  8. Vicente Lankenau

    Despues de usarlos por una semana les comparto mis experiencias con este nuevo producto de TrueFree que son la evolucion de unos excelentes auriculares de conduccion por aire, estos 02.Veo gratamente que la marca le puso enfasis a este upgrade que la verdad ademas de ser super comodos han mejorado en la calidad y potencia del audio, pero vayamos por partes.Hablando de la comodidad si tu eres de las personas que no les gusta traer algo “encajado” en el canal auditivo pues dejame decirte que este es el producto recomendado la verdad, no solo es como y liviano ademas de bonito (obvio esto es subjetivo) sino que ademas cuenta con una excelente duracion de bateria rondando las 6 – 7 horas con un promedio de 60% de volumen que de paso sea dicho creo yo es mas que suficiente para disfrutar de tu musica favorita sobre todo en ambientes no tan ruidosos como un cafe, una banca en el parque y lugares asi ya que si los utilizas para por ejemplo andar en bicicleta o ir caminando por la via publica puede que requieras de un poco mas de volumen pero aun asi su duracion en bateria sigue siendo segun mi perspectiva bastante bueno sinceramente.Estos auriculares alcanzan un volumen alto por lo que veo muy poco probable que los vayas a llevar hasta el limite de su potencia pero claro dependera de cada quien… cuentan con multipunto por lo que puedes conectar dos dispositivos (solo pudiendo usar uno a la vez) y tienen BT5.3 lo cual es de lo mas nuevo que hay en el mercado por lo que no debes de tener problemas con compatibilidad en diferentes gatgets de reproduccion de sonido… su driver es dinamico y es de gran tamaño, muy grande de hecho lo que le brinda esa subida fuerte de volumen pero no por ello dejando de lado la calidad del audio ya que cuenta con muuuy poca distorcion a altos volumenes (nada que una buena ecualizacion no solucione).Su case de guardado que al mismo tiempo funciona como centro de carga para los auriculares les permiten un par adicional de cargas por lo que no tendras preocupaciones tampoco en ello y en la cajita viene su cable el cual es tipo C que ya es el estandar de mercado actual… la carga del case es de alrededor de un par de horas mientras que los auriculares al estar dentro de ella se cargan mas o menos en poco mas de 1 hora al 100% si esque los dejaste completamente sin carga.Hablando de sus controles estos te permiten tener todas las funciones necesarias para controlar tu musica, el asistente o el modo juego de baja latencia y algo que me parecio por demas excelente es que la aplicacion para tu digamos celular android ademas de actualizar el firmware de ellos tambien te permite cambiar lo que deseas que hagan segun los gestos que hagas en cada auricular ya sea el izquierdo o el derecho por lo que de verdad estan muuuy personalizables y muy funcionales asi que un 100 ahi para la marca.Cuentan con microfonos para ser usados como manos libres dando un muy buen nivel de claridad si los usas para las llamadas y te permiten contestar sin necesidad de sacar tu celular de la bolsa o bolso segun sea el caso asi que de nuevo, muy bien ahi en los controles tactiles.Hablemos del sonido que a fin de cuentas es creo yo de lo mas importante ya que obvio son auriculares para escuchar musica y algo mas… los agudos estan bien presentes pero al ser de conduccion aerea hay que ecualizarlos bien ya que este tipo de frecuencias son las que menos se pierden al “circular” por aire asi que bien ecualizada tu musica no tendras problema alguno con ellos; los medios rangos estan bien traidos al frente y muy claros la verdad asi que las voces en las canciones no te daran problema alguno; lo mas dificil de ecualizar a mi parecer son los bajos ya que al ser un driver tan grande si adicionas demasiado puedes “cartonear” un poco en la musica pero si le encuentras bien el modo creeme que estan bien distribuidos, fuertes y de buena intensidad exceptuando el bajo que yo denominaria profundo el reverberante tipico por ejemplo de rap o del hiphop ahi puede que te falte un poco mas de contundecia pero es obvio por el tipo de producto de sistema abierto y vamos a ser honestos ya que este tipo de auriculares estan pensados para el deporte y las actividades al aire libre o de gym asi que estas consiente del uso que les vas a dar creeme que los disfrutaras mucho.La verdad estoy muy complacido pues veo que la evolucion de los anteriores 01 a estos nuevos 02 fue muy buena en todos los puntos por lo que sinceramente no veo inconveniente en que estos sean mis nuevos auriculares deportivos y los otros pues se los regalare a uno de mis familiares ya que esta evolucion es perfecta de la marca… el precio si hay claras diferencias con los anteriores peeero viendo los beneficios y el crecimiento satisfactorio en funciones potencia y sonido pues creo yo que lo valen sinceramente.Gracias si llegaste hasta aqui y espero que mis puntos te sean de utilidad si tienes pensado adquirir este muy buen par de auriculares TrueFree 02… no te vas a arrepentir y si tienes las espectativas centradas en el uso para lo que fueron concebidos pues la verdad te esperan horas de difrutar tu musica en ellos…Saludos y Felices compras!!!

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  9. Daniel W

    I have been wearing them all day for over a week and find that they are light and easy to wear all day. They sound great, the nonstop play time is LONG, the touch controls are easy to activate, and the APP gives additional options!I have many in-ear, over-the-ear and open-ear headphones. I like to sometimes have open-ear headphones so I can hear what is happening around me. I wanted a lightweight pair with long play time, great sound, a small charging case footprint, easy controls, water resistant, and customizable sound. These have it all!The little oval case is about 3.5” long x 2” wide x 1” thick. It is like a rounded skipping stone that fits in the palm of the hand. I get 3 recharges off the case! The case recharges quickly using USB-C (a separate 3” cable comes with the case).As with all TrueFree headphones I have purchased, these were packed very elegantly in a box. On unpacking, I opened the headphone case and was greeted by the solid green dot on the case indicating it had a full charge. The stages of decreased charge state are indication intuitively on the single case light from solid to blinking and running through green, yellow, then red. I pulled out the headphones and removed the protective tape on the charge ports and put them back in, in case they needed to charge. There was a printed user guide in multiple languages.When I wanted to use them, I put them on and was very happy to find they were nearly imperceptible to wear. I don’t feel them at all. Left and right are marked on each earphone.In the APP on my phone (installed, signed in, and paired to the O2 set), I navigated to settings and performed a Firmware update for the headphones. That took only a moment. Then I tried out the different preset equalizers (EQ) and even made a few of my own. There is a wide range for adjustment to sound preference. I also went to a very quiet room and performed the hearing test. This generated a personalized EQ to my terrible hearing (lots of tinnitus). After choosing an EQ, I checked the charge state on each headphone – which can be seen in the APP.Finally, I started listening, the sound quality is fantastic. Still, I could hear ambient noises, so wearing these while running water for dishes or vacuuming made them harder to hear. However, the volume is STRONG! In a quiet setting, I am happy at 20- 30% and have room to spare if surrounding sounds are louder.I easily synced them with my phone, turned off phone Bluetooth and then quickly synced them with my computer. With Bluetooth on for both, the headphones work with whichever is playing sound. As with many headphones that pair to multiple devices, the one with sound takes over. If I turn off either device Bluetooth or “dual device connection” in the APP, then it will only connect to one at a time.I have taken a phone call on the headphones and was told I sound very natural.While they state 6.5 hours per charge, I think my first use of these lasted close to 8 hours before I was warned that the power was low!I am also super happy that these are water resistant. They are IPX5 (meaning protected from a stream of low-pressure water at any angle for up to 10 – 15 minutes ) making them suitable for workouts, bathing, showering, jacuzzi, or rain under 10-15 minutes. No swimming!NOTE for using with rain, showers, water sprays: the app allows turning off the touch controls so that water does not activate them and change sound, however I am finding that wet hair sitting on the headphones does turn them off.I am VERY happy with these and I recommend them.Now, about the APP (see images):While the APP is not required for normal headphone use, it does allow updates to the firmware, seeing headphone specific charge state, and personalizing the EQ and touch settings, etc.FYI, when the APP is opened it creates a new instance for itself in Bluetooth settings (mine says “ATS3025”), close the APP and that goes away.The APP allows sending issues to tech support (under Help and Feedback, pressing the avatar at the upper left corner) and also performing Firmware updates (in settings found at the upper right corner), so any little issues that arise in the APP get addressed and the headphones get updates.Once signed in to the APP the first time, it does not need to be done again. Each time the APP is opened, I quickly “Accept” and “Connect Device”. I watched the video in Amazon Qs on how to get to the register screen.( I think after selecting accept, I clicked “forgot” at the bottom and that is where the register option was. Enter email, enter a “letter only” password, click to get a code sent to email. Enter the code in the minute allotted, view the terms again and click Register. Try again if it does nothing. It will work after a few tries.)The APP lets me see the charge level of each earphone. I find this useful when deciding if I should charge them and use a different pair when planning on doing some things.The APP offers many preset EQ to select from as well as offering a customizable and savable EQ option. This makes me VERY happy, and I have been refining my own custom settings to suit my hearing!I love that I can DISABLE ALL TOUCH CONTROLS here! I have long hair and, when wet, I accidentally stop, play, or turn sound up or down. Disabling touch on demand is the solution.Game mode and dual device connection and be turned on/off in the APP. There is also a place to customize the touch settings.There is also a hearing test to personalize the EQ. This is very cool as it tests hearing sensitivity across a spectrum of sound frequency types in about 2 minutes and uses this to generate a personalized EQ setting. I would love to learn more about the tweaks made based on my weird hearing!

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  10. ᗪE ᒪᑌ᙭E

    …für “normale” und kleine Ohren…Sehr guter Sport- Open Ear Kopfhörer für “normale” bis kleine Ohren mit absolut fairem Preis-Leistungsverhältnis:* die standardmäßige klangliche Abstimmung finde ich sehr gut: ausgewogener, klarer, großteils unverfälschter Klang ohne gröbere Über- oder Unterbetonung bestimmter Frequenzbereiche, gefällige Mitten, leichte Betonung/Anhebung um ~ 2000 Hz*optisch und haptisch tadellose Verarbeitung von Kopfhörern und Case* sehr angenehmes Material, nicht zu glatt und nicht zu griffig/samtig* dezente, schlanke Ohrhaken: für Brillen- und Piercingträger, sowie beim Tragen eines Fahrradhelms sehr gut geeignet* schönes, modernes Design (beispielsweise verglichen mit dem klobigen und uninspirierten TOZO O2)* präzise und souveräne Bedienbarkeit der Touch-Flächen* sehr gute Anpassbarkeit der Eingabekommandos via App* schnelle und stabile BT-Verbindung ohne Aussetzer* Multi-Point-fähig!* schönes, minimalistisch-wertiges Case aus “dankbarem” Material (zieht keine Fingerabdrücke usw. an, ist nicht rutschig), Deckel hält zuverlässig magnetisch geschlossen und geöffnet* Buds halten sehr gut im Case, fallen auch bei geöffnetem Case nicht heraus* exakte Angaben zur Laufzeit kann ich keine machen, länger als 2-3 Stunden am Stück höre ich selten, fahre Kopfhörer generell nie ganz leer. Hält für mich jedenfalls lange genug.* Telefonie funktioniert offenbar auch bei Umgebungsgeräuschen besser als erwartet, ich wurde von der anderen Seite sehr gut und rauschfrei verstanden* das unbeabsichtigtes Öffnen des Case ist zwar durch Vermeiden hervorstehender Teile ausgeschlossen, allerdings könnte die Mulde zum Öffnen des Case gerne stärker ausgeprägt sein, teilweise etwas fummelig* Equalizer funktional aber limitiert, braucht man aber eigentlich aufgrund der kräftig-neutralen Grundabstimmung nicht wirklich* DSP bzw. Limiter verhindern Übersteuern nicht wirklich; so kann z.B. der Bassbereich via EQ so stark angehoben werden, dass der Tiefton bei sehr basslastigen Stücken bereits auf gemäßigter Lautstärke verzerrt und unsauber wird. Das ist verbesserungsfähig.Fazit:Der Truefree O2 ist insbesondere in diesem Preissegment, aber auch ungeachtet des Preises auf jeden Fall einer der besten. Das Gesamtpaket ist stimmig; perfektes Gerät für Sport, Spaziergänge, Gartenarbeit usw..Anmerkung:Für mich ist das Thema Open Ears insbesondere dahingehend interessant, dass meine AirPods Pro 2 sowie meine sämtliche anderen In-Ears die gleiche Problematik beim Radfahren aufweisen: Mit und ohne ANC werden einfach zu viele Umgebungsgeräusche blockiert, das macht für mich maximal beim Rasenmähen Sinn. Nutzt man den Transparenzmodus, werden Umgebungsgeräusche verstärkt, so leider auch (Fahrt-)Windgeräusche, was unangenehm bis störend ist.Das Open Ear-Konzept, insbesondere die qualitativ hochwertige Klangwiedergabe, ist wesentlich vom Sitz resp. der Treiberpositionierung abhängig. Ähnlich wie bei Semi-Open Earbuds ist die individuelle Anpassung an die eigene Ohr-Anatomie kaum möglich. Die Form resp. die Ausführung der Buds bzw. der Ohrhaken funktioniert zwar mit dem “Durchschnittsohr” meist gut, kann aber nicht alle Ohrmuschelformen und -größen abdecken.Ist die korrekte bzw. optimale Treiberausrichtung z.B. aufgrund schlechten Sitzes nicht gegeben, klingen Open Ears generell dünn, blechern, bassarm. Das wiederum animiert zu equalizing, zum Anheben des Tieftonbereichs, was schnell an physikalische Grenzen stößt. Bringt man den Treiber manuell in Optimalposition, näher Richtung Trommelfell, kommt der Klang ungleich kräftiger und realistischer zur Geltung.Für meine Tochter und meine Frau (beide haben durchschnittliche bis kleine Ohren) funktioniert der Truefree O2 perfekt, für mich “Dumbo” leider nur bedingt, nicht optimal. Was wie gesagt mit meiner Ohrform und -größe in Verbindung mit der begrenzten anatomischen Anpassbarkeit des Truefree O2, nicht mit der (sehr guten!) Qualität des Gerätes zusammenhängt.

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    truefree O2 Open-Ear Headphones, Air Conduction Bluetooth 5.3 Wireless Earbuds, 22 Hours of Playtime, Four Mics Clear Calls, 15mm Enhanced Bass, Multipoint Connection, App Control, Commute, Workout
    truefree O2 Open-Ear Headphones, Air Conduction Bluetooth 5.3 Wireless Earbuds, 22 Hours of Playtime, Four Mics Clear Calls, 15mm Enhanced Bass, Multipoint Connection, App Control, Commute, Workout

    Original price was: £39.99.Current price is: £19.99.

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