ELECOM HUGE Trackball Mouse, Wired, Finger-Operated, 8-Button Function, Palm Rest Attached, 52mm Smooth Red Ball Windows11, macOS (M-HT1URBK)

Trackball mouse with 8-Button FunctionDesigned with a high-performance gaming optics system sensor and lensThis trackball mouse bases on ergonomics, effectively reducing user’s wrist strain and muscle painThe 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 cleanedSystem requirements: Windows XP, Windows 7, Windows 8.1, Windows RT8.1, Windows 10 or later, macOS 10.12 or laterResolution DPI: 500/1000/1500 count (switchable)Size & Weight: Size: W4.5(114.7mm) X L7.2(181.9mm) X H2.3(57.2mm), Weight: 9.2ozConnectivity: USB wiredEnglish Manual & Mouse Assistant Software can be download for FREE.Listed as Technical Specification：User Manual PDF : '