* 2.4 GHz RF USB Nano Receiver
* Ideal Working Condition:50C~500C, 10% ~85% RH 250C
* Operational Distance:Up to 10 Metres
* OS Supported:Windows 2000/XP/Vista/7/8/Mac OS/Linux
* High-precision optical sensor
* Resolution:800/1200/1600 DPI Adjustable
* 4D buttons including forward/backward keys
* ON/OFF switch for longer battery life
* Colors:Black,silver,red, rubber finish or other specia color