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Super product, a good quality/price, immediately recognized with Windows 10 A large convenient operation

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I bought this mouse because i have wrist and lower arm pain. I can't actively use any regular mouse more than 1h at a time, without getting some pain. Made the switch to a trackball mouse (logitech M570), which was an improvement, but i still had some pains, from the wrist angle (which was not much different from a regular mouse) and from the tendon that belongs to the thumb (since the thumb does all the hard work on this particular mouse). And besides, cleaning the ball every now and then became a chore and it wasn't that precise (esp for games). So i wanted something else, and since only vertical mice were left to try, i bought this one, since it had positive reviews and looked good from the pictures. + it's comfortable, and this is the most important thing, because so far i can use it for hours and don't have any pains. The wrist isn't twisted like on a regular mouse and i can feel this, for the better. Took me under a day to get adjusted to this angle. An interesting thing about this design is that you feel more inclined to use your whole arm to make mouse movements, which is a good thing, since doing so puts less stress on the wrist. This goes well with the lowest dpi setting, at least in my case. + i love the placement of the back and forward buttons, on the top of the thumb, where i can access them easily. + the construction is very good, on par with much expensive mice (Logitech, Razer -which i've used in the past, since i'm also a gamer). The plastic doesn't cracks when i apply pressure, it's as solid as it can be. But it's also light, for a wireless mouse (i've had heavier, from Logitech). The paint is a silky rubbery stuff, like the paint on Razer mice and some Logitechs. We shall see how much it lasts without peeling (a problem which i had with one Razer mouse). + the buttons don't wobble and the clicks are solid (maybe too solid). + the tracking is incredible, i've tried everything from bed sheets, blanket, jeans to wood and rubbery plastic, it tracked without issues. Only on glass it didn't work, but that's expected. Impressive. + it has 3 DPI settings and one blue LED that blinks for every dpi setting. + the mouse scroll wheel is pretty good, doesn't wobble much and is relatively quiet. + it looks very good on the desk, very stylish, modern design. All other vertical mice that i've seen looked like something from the '90s. + the battery life is very good, used it heavily for a week and still works. Works with 2 AAA batteries (not included), i've used two rechargeable Eneloops in mine. No problems. + fits well in my average man hand (i have 7.5" measured from wrist to the tip of my middle finger). + the wireless works good, even from 7-8 feet (i use it plugged in the back of my desktop pc, but i can move it to the front, if needed). I don't feel any input lag from the connection, so i can also use it for games (a big plus for me). If you have problems with the reception, you could try another USB port or move it closer, with a usb extension cable. Not needed in my case, but wireless can be tricky in some configurations. YMMV.

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Perfect and comfortable, excellent item recommend Evareon

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You'll need a few days to break the muscle memory habit of the standardized mouse design...but once it "clicks", you'll never go back. I left the battery life rating blank only because my original one was too inconsistant to gauge. It was 10-11 months in just recently and some minor bugginess started getting worse. Like anything with small circuitry and inner components, I realize theres a chance I just got one that had a small issue that grew over time. Contacted them about warranty and it was still covered by "free replacment/no questions asked: after troubleshooting it myself. The main thing to take away from my review, is...I was more than happy with it, in its state of maybe not-so-perfect operation for almost a year, and the customer service and warranty applied just added back any doubts about wanting a new one. I make a point to never go backwards in regards to technology and as apt that the mouse we've all come to know was, I found this was improving on an already known legacy equipment standard. Customer service is stellar if there is an issue.

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Was well packaged. Looks and functions exactly like described.

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Mouse works. The Response Is good. Fits comfortably in your hand. The battery is not included.

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Thank You, all accurate and quick, fits the description of goods, good store, will order more

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Hi there! That's wonderfull staff! Really like it. Absolutely reliable and easy to use! Thanks!

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If you're suffering from pain while using a standard mouse , this is the mouse to get and at it's price it's a no brainer. It does the most important thing it works and it relieves tension on your arm/wrist/underarm area. 1.2 years in and still going strong. Relieved my carpal tunnel symptoms almost immediately. I used to edit videos/media 10-15 hours a day and my wrist and underarm /forearm area was painful. I also would spend hours on the net at home. After getting this mouse I have not had carpal tunnel like symptoms return. It's pretty durable too. I've had a bad habit of dropping this mouse on a hard tile floor from around 2.5 to 3.0 feet and the mouse has yet to suffer ill effects. It's a light plastic mouse ,but holds up to falls quite well. I actually taped the battery door shut to the mouse because I dropped the mouse so many times trying to hunt down the batteries and battery door that flung out somewhere in the room after it exploded open the floor. good price works as a mouse relieves pain durable

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I was having thumb knuckle pain and after a few weeks of using this, no more. The grip position on this thing is great. The batteries lasted a month after leaving it on the whole time, which is a solid as well. I be they will last longer if I remember to turn it off when I leave the office. It makes a great compliment to an ergo keyboard. For the price, you can't beat that quality.

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I Am very happy

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Fits comfortably in your hand, it works fine.

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Like the description, highly recommended and easy to use

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Amazing mouse. I have a weak base thumb as a result of three pregnancy swells and typing for work. I had to find something other than going to therapy weekly for the pain relief. I bought this after it made sense to me that the way you hold this mouse is like the relaxed hand position. I paired this with a slanted ergonomic keyboard and the pain is a lot less. I type extensively for work and I love this mouse. In the year that I've owned it, I've had to change the battery once. The cursor movement is real smooth and the side thumb buttons are super helpful.

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Really comfortable mouse. Takes a few seconds to get used to but overall great device.

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The product is the same. Honest website. On time delivery. 5 star. Recommend. Thank you.

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Excellent quality. The plastic is soft and very comfortable

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After using it for about a month. I can say I love to use this vertical mouse. It's also been very helpful for my carpel tunnel issue as the pain I get from normal mouses are lessened and healing. Thanks CHYI, I will get another.