エレコム(ELECOM) ELECOM EX-G Left Handed Trackball Mouse, 2.4 GHz USB Wireless, Ergonomic, Thumb Control, Tracking Roller Ball, 6 Programmable Buttons, Tilt Scroll

Trackball mouse with 6-Button Function Designed with a high-performance gaming optics system sensor and lens This trackball mouse bases on ergonomics, effectively reducing user’s wrist strain and muscle pain This trackball mouse bases on ergonomics, effectively reducing user’s wrist strain and muscle pain The ball is held in place by the ball bearings, but can easily be popped out of the device, by pushing it through the hole in the bottom and it can be easily cleaned System requirements: Windows Vista, Windows 7, Windows 8. 1, Windows RT8. 1, Windows 10 or later (Horizontal scrolling function is not working in Windows RT8. 1), macOS 10. 10 later Resolution DPI: 750/1500 count (switchable) Size & Weight: Size: W3. 7"(94. 7mm) X L4. 9"(124. 4mm) X H1. 9"(47. 9mm), Weight: 4. 5oz(without battery) Connectivity: wireless Battery requirement: 1 X AA battery(Included)- Battery Remaining Light Lamp equipped.