Elecom EX-G Trackball Mouse, 2.4GHz USB Wireless, Ergonomic Design, Thumb Control, Smooth Precise Tracking Roller Ball, 6 Programmable Buttons, Tilt Scroll, Computer Mice for Laptop PC, Windows & Mac

《ERGONOMIC UNIQUE DESIGN》The mouse design is based on 6 different muscle and skeletal structures of the hands giving special emphasis to the folding actions of the hands to provide a new level of hand comfort. It comes with a RED TRACK BALL, RED COLOR sensing provides more accuracy for current optical tracking technology, a must for high-performance gaming optics system sensors. 《FUNCTIONAL 6 BUTTONS》It is very easy to move in any direction. It comes with 6 physical buttons on the device and the two extra buttons are the scrollwheel tilting that allow horizontal scroll. ELECOM Mouse Assistant software can be easy to customize button functions, it is available to download from ELECOMUS website. 《DPI CURSOR》Designed with a high-performance gaming optics system sensor and lens. The DPI button can easily change between 750(LOW) and 1500(HIGH) DPI, making the movements of your cursor faster or slower. 《EASY MAINTENANCE》The ball rolls on three 2.5 mm large artificial ruby ball bearings. They are extremely smooth and the relatively large size prevents dust and dirt from clogging them. So you don’t have to clean the ball bearings too often. 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. 《PRODUCT DETAILS》System requirements: Windows 8.1, Windows RT8.1, Windows 10, Windows 11 (Horizontal scrolling function is not working in Windows RT8.1), macOS 10.10, Size: W3.7"(94.7mm) X L4.9"(124.4mm) X H1.9"(47.7mm), Weight: 5.3oz(without battery), DPI: 750/1500 count (switchable), Connectivity: 2.4GHz Wireless