1. Compact wireless optical mouse with long rang wireless distance with 2.4Ghz 2.Stylish design and compact size 3.Compact USB receiver 4.Very convenient for the travelers 5.Use 2 AA rechargeable batteries 6.Adopt advanced RF wireless optical technology for ultimate wireless freedom. 7.High accuracy and reliability 8.One channel, six address codes, in an area of diameter 10m 9.Six mice can be used at the same time, and will not interfere with each other 11.USB and Combo ports 12.Compatible with Windows 95/98/2000/NT/ME/XP/ 3.1 or above