Genuine Rapoo 7600 2.4GHz Wireless 500/1000DPI USB Optical Mouse with Receiver - Black (1 x AA)
Color: Black + Grey - USB 1.1 interface - 2.4GHz wireless technology - Carrier frequency: 2402~2480MHz - Resolution: 500/1000 DPI - Working range: 10 meters - Working voltage: 1.5V - Support Windows XP/Vista/7/IBM PC - USB receiver included - Powered by 1 x AA battery (included) - Comes with Chinese user manual