wireless mouse (BS-RF04)

Specifications:
1.Mini USB receiver;
2.Smart mouse-sleeping mode for power saving, and 3.Auto wake up function & low power consumption on work (Only requires 25mA).
4.Radio Frequency: 27MHZ.
5.Having 256 ID codes, no interference even a lot of mice are being used at the same time;
6.Mouse Battery: 2譇AA (Alkaline Batteries);
patible with Windows 9X/2000/ME/NT/XP, No need any special driver;