... produce according to customer's design Wireless Mouse Key Specification Works on the following Operating systems: Windows 2000, Me, XP, Vista ... , Win 7 and MacFeatures:2.4GHz wireless transmission up to 10 ... 2480MHzRF operation channel: 16, auto frequency hoppingUSB: USB 2.0Operation systems: Windows 2000, Me, XP, Vista, Win 7 and MacPower: ...