Sensors: PMW 3389
Type: Wired via USB 2.0
Movement Resolution: 16 000 DPI
Buttons: Button Life:Left / right: 50 millon clicks, Forward / Backward /DPI up / DPI down: 3 million clicks, Profile button: 10,000 clicks; Keyboard Buttons:7 programmable buttons, 1 profile button
Other: Backlight
Warranty: 12 Months