ELECOM EX-G Trackball , 2.4GHz USB Wireless, Ergonomic Design, Thumb Control, Smooth Roller Ball, Optical Tracking, 6 P

OPTICAL TRACKING TECHNOLOGYThe ELECOM trackball provides precise cursor movement for superior accuracy so you can get where you want on the screen quickly with less hand movement, improving productivity and efficiency. FUNCTIONAL 6 BUTTONSIt 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. DPI CURSORDesigned with a high-performance gaming optics system sensor and lens. The DPI