2.4GHz Wireless Optical Air Mouse with USB Receiver - Black (2 x AAA)
Color: Black - ABS housing material - Can work in the air & on the desktop - Frequency: 2.4GHz - Operating range up to 15 meters - Auto power-off after one minute without operation - Supports Android Windows XP / Vista / 7 Linux OS - Powered by 2 x AAA batteries (not included) - Comes with USB 2.0 nano receiver and Chinese & English manual