Contour Unimouse Ergonomic Vertical Mouse Adjustable 35°-70° Tilt Angle, 6 Programmable Buttons for Productivity, Customizable Thumb Rest for Wrist Pain Relief | Plug & Play Mac/PC – Wired – Right

ALMOST Perfect. Very configurable, best sensor I’ve ever seen. Unfortunately too tall
This mouse is ALMOST a full 5 star.It has the BEST sensor out of all vertical mice on Amazon (and I’ve tried nearly all of them).SO many DPI modes (10!), and it’s really accurate. I like the 2000 DPI mode on this one. 1600 is decent, too.Not sure WTF the person saying it’s “unresponsive” is smoking. He probably didn’t read the manual / change the DPI.The build quality is nice, the thumb buttons are good, the scroll wheel is great(very precise, nice feel).The length is just fine for medium hands (18cm), and can support slightly larger. Not good for smaller hands, though as it’s quite a large mouse.The tilt angle is fully configurable. The thumb rest is also fully configurable (rotation, depth, back/forward position, up/down tilt).It has 3 buttons,and the middle click can be reconfigured without software. There’s a driver available that lets you reconfigure all buttons, set macros, etc. A windows 7 version is available, if you contact contour support.This is why it’s not QUITE perfect:It’s just too tall! Having your hands positioned over the usual left / right click buttons means it forces your wrist into an upward angle. I had to hover my left click finger over or just above the scroll wheel instead, to have my hand pointed in a neutral, straight direction.If they made a smaller version without the 3rd button, then the size would be just right.The baseplate is too oblong at the front. This means the front-left part bumps on your keyboard or whatever you have around. They could cut out a lot from this and round it off instead, like most mice, and just move the DPI button further back to under the thumbrest.The buttons are “straight”. Most vertical mice (and horizontal!) curl the buttons “inward” at the front, so your fingers hold it with a natural curl at the tips. This one forces them straight out. Ironically, there’s no contouring!The back is a little bulbous, and the back/forward buttons could do with moving forward 50% (this is a nitpick and ok, once you get the thumbrest into the right position, but smaller hands will struggle).The thumbrest would be nice if the depth went inwards a little more (though this is tough due to the ball mount). Again a nitpick, it’s quite configurable as it is.The software would be even better if it supported DPI reconfiguration (the ability to change the values per setting, or some sort of light or on-screen display to remind you you have selected. The DPI button lights up on press to indicate the setting, but the exact value is unknown without the manual. Again though this is a nitpick, as it supports multiple modes (10!). The later versions may also support this, I’m limited to the old W7 version.So if they made a slightly smaller model, got rid of the 3rd button to reduce the “height”, rounded off the front-left baseplate edge and contoured the ends of the buttons inwards a bit, this would be the absolute perfect mouse. 5/5.I’ll have to return this one and go with the Zelotes T20 instead (Trust Voxx being a close contender) as unfortunately I can’t stand the height or the bumping of the front left bit. It’s SUCH a shame as the sensor is so GOOD. I really hope they improve the physical design a little in future.Come on, Contour, you’d be onto a winner, here! It breaks my heart to return this.

Great comfort and robust by the way

Much more comfortable than a standard mouse.