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J-Tech Digital Scroll Endurance Wired Mouse Ergonomic Vertical USB Mouse with Adjustable Sensitivity (600/1000/1600 DPI), Removable Palm Rest & Thumb Buttons - Reduces Hand/Wrist Pain (Wired)
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- Unique ergonomic design with removable palm rest to reduce hand and wrist pain
- Two thumb buttons can be used for back/forward browser navigation
- Driver free 3-mode DPI shift:600/1000/1600DPI adjustable
- High-resolution optical sensor with adjustable sensitivity for accuracy and responsiveness
- Scroll Wheel lifetime:200,000 circles/ Button lifetime:3 million times
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Say goodbye to wrist pain The Scroll Endurance by J-Tech Digital is perfect for anyone who experiences wrist or hand fatigue when using a regular mouse. Its vertical design reduces the torsion of the forearm and wrist caused when using most other mice. The Scroll Endurance also includes a detachable palm rest to reduce drag on the desk surface.
Other cool features In addition to its comfortable, ergonomic design, the Scroll Endurance also has adjustable sensitivity, which can be changed on-the-fly using the DPI button on the mouse. Another neat feature is the two thumb buttons, which perform back/forward browser navigation functions.
Specifications Sensitivity modes: 600/1000/1600DPI Weight: 120g Rating: 5V/20mA Interface: USB 2.0/3.0 Dimensions: 136 x 100 x 87mm Compatible with: Windows XP/Vista/7/8, Mac OSX
Package includes 1x J-Tech Digital Scroll Endurance Wired Ergonomic Vertical Mouse 1x Removable Palm Rest
This product is compatible with Apple Mac system but back/forward buttons will not work.
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Having said that, this mouse have weird problem of being *heavy*. They did this on purpose, I dont know why - probably to "feel" more expensive. Inside, they have two additional weights (see photo), which add noticeable strain on wrist. Also, sometimes you need to pull the mouse up, and it is very hard to do, so you accidentally press those additional buttons on the left side and your browser page disappears - all because they added these two bricks inside
Good news is this is fixable, just open up the mouse (two additional screws sit hidden under two "sliders"), there should be 4 screws total - remove bricks and enjoy
UPDATE 2, after 10 months.
Mouse wheel started to fail, I disassembled it again and checked it. It turns out it actually *DESIGNED TO FAIL* with the time: rubber "tire" will lose traction with the plastic wheel, supporting it. Good news is - this is fixable too, if you "loosen" stopper that holds the wheel. As the result, mouse wheel will start working again, but you wont hear the click anymore (I still dont understand why they needed it in the first place). So now mouse is working great now.
Overall it is crazy that customers have to remove stuff from products to make them work better ...
UPDATE: 6 months after purchase and I still love this mouse. No obvious flaws that I can complain about. I still enjoy the weight in my hands, I got a USB cord extender and now have no problems with the length of the cord. I no longer click the scroll wheel by accident. I also feel like my accuracy is getting better every day I use this mouse. I used to leave a regular mouse attached to my PC for fine motor movements, but I unplugged that about 2 months ago and haven't needed it since. My wrist pain is almost completely gone and only comes back when my hands get extremely cold.
UPDATED UPDATE: 1.5 years and running, this mouse is still awesome. Starting to feel the left click go. Its a little soft. But for the price of the mouse, it was well worth it and when the time comes, I will be buying another. No hand or wrist pain at all, compared to before I bought this mouse. So worth it.
But even J-Tech's has not reached perfection.
--excellent button placement! not as hard to click as Anker's
--excellent removable rest pad
--great verticalness--even MORE vertical than Anker. holding position feels like you are grabbing a glass of lemonade
--scroll wheel doesnt have a click.. it has an inconsistent texture when scrolling. slightly bothersome when scrolling a lot
--i'd like to be able to remap the dpi button... the past 3 mice ive bought have all had a remapping software with full-fledged macro. but they were not vertical of course.
--it feels a little uncomfortable but i do not feel ANY wrist strain. Despite the comfort, I KNOW that it is good in the long-term to get used to holding the mouse like this.
I can honestly tell you after Anker and cheap $10 vertical mice... this is the best mouse out there right now!
The J-Tech was a good substitute for 4 months but is now having problems with the scroll wheel. Doesn't stay engaged when rotating.
Price was good and worked well enough while it lasted. I wonder if the manufacturers have a fix for this?
Update 11/28/15 I was contacted by the manufacturer who offered to send another one to me saying they would let their tech department know of the issue and hopefully it would be fixed in future builds and would I please remove my downgraded review.
I understand this fully from their point of view, and appreciate the offer, but I have no idea how long this issue has been an issue or when it might be fixed. Until then this was my experience and to maintain the integrity of Amazon posts I want to say what really happened.
I will update again if I am sent an upgrade that is 'really fixed' and have used it for 6 months.