Genuine Rapoo 3100 2.4GHz Wireless 500/1000DPI USB Optical Mouse with Receiver - Golden (2 x AAA)
Color: Silver + White + Golden - USB 1.1 interface - 2.4GHz wireless technology - Carrier frequency: 2402~2480MHz - Resolution: 500/1000 DPI - Working range: 10 meters - Working voltage: 3.0V - Support Windows XP/Vista/7 - USB receiver included - Powered by 2 x AAA batteries (included) - Comes with Chinese user manual