Hi-Speed 2.4Ghz Wireless Optical Mouse, with wireless receiver - 800 to 1600 dpi 2.4Ghz digital wireless transmission to provide furthest reach 10 meters from the operation 16 automatically switch the work of up to 60.000 channels and the security group of all put an end to foreign inference coding. Nano very fine receiver, plug forgotten, without connecting to the Code of intelligent technology Mouse built-in memory, the replacement of the batteries do not have to re-code Support Os / windows 2000 / Vista / XP / ME / Win7 system