... customer's design Wireless Mouse Key Specification Works on the following Operating systems: Windows 2000, Me, XP, Vista, Win 7 and ... -2480MHzRF operation channel: 16, auto frequency hoppingUSB: USB 2.0Operation systems: Windows 2000, Me, XP, Vista, Win 7 and MacPower: ... included)Rated operation current: 15mA, 1.5VColor: as shown in the picturesMouse size: 100*65*35mmUSB receiver size: 18*14*5mmMouse ...