RAPOO 7100P 500 / 1000DPI 5.8GHz Wireless USB Optical Mouse - Red + Black (2 x AA)
Model: Rapoo 7100P - Color: Red + black - ABS material housing - Wireless transfer frequency: 5.8GHz - Working range: 10 meters - Resolution: 500 / 1000 DPI - 4D roller: Up / down / left / right - Powered by 2 x AA batteries (included) - Supports Windows XP / Vista / 7 - Comes with USB receiver software CD and Chinese user manual