Elecom DEFT Trackball Mouse, Wireless USB 2.4GHz,Index Finger Control, 8 Button Function with Smooth Tracking, Ergonomic Design, Windows11, macOS (M DT2DRBK)

UNIQUE HAND SHAPED DESIGN The mouse design is based on 6 different muscle and skeletal structures of the hands, giving special attention to hand folding actions to provide a new level of hand comfort. Optical Tracking Technology The DEFT wireless trackball is an index operated trackball with unparalleled operating performance. 8 FUNCTIONAL BUTTONS - It comes with 8 physical buttons on the device and the two additional buttons are the scroll wheel that allows horizontal scrolling. High durability left and right buttons passed the click test of more than 10 million clicks. The ELECOM Mouse Assistant software can be easy to customize the functions of the buttons. DPI slider: designed with high-performance optical gaming sensor and lens. The DPI button can easily change between 750 (low) and 1500 (high) DPI, making your cursor movements faster or slower. The ball is held in place by the ball bearings, but can easily be removed from the device, pushing it through the hole in the bottom and it can be easily cleaned. Product details: System requirements: Windows 7, Windows 8.1, Windows RT8.1, Windows 10 or later (horizontal scroll function does not work in Windows RT8.1), macOS 10.10 or later, Size: 94.7 mm x 124.4 mm x 47.9 mm, Weight: 113.4 mm. G (without battery), DPI: 750/1500 points (switchable), connectivity: USB wireless 2.4GHz