I had the version 1 of J-Tech Digital Scroll Endurance Mouse (B00TJ4ZD28). It’s a cheaper ergonomic vertical mouse compared to those by Evoluent. The main problem with it, was the scroll wheel failed to work properly after about 2 months. I took it apart and tried fixing it but it...
Buy 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) at Walmart.com