Description
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: 9.2oz(without battery)Connectivity: wirelessBattery requirement: 2 X AA battery(Included)- Battery Remaining Light Lamp equippedEnglish Manual & Mouse Assistant Software can be download for FREE. Please check the manual in the box or can be found on store Product Page. Listed as 【Technical Specification:User Manual [PDF ]】