2.4GHz Wireless 800DPI Optical Air Mouse with USB Receiver (2 x AAA)
Color: Silver Grey - ABS housing material - Can work in the air & on the desktop - Frequency: 2402~2480MHz - Working channels: 79 - Operating range up to 10 meters (360 degrees) - Resolution: 800DPI - Auto power-off after one minute without operation - Supports Windows 2000/XP/Vista/7 - Powered by 2 x AAA batteries (included) - Comes with USB 2.0 nano receiver