Features:
1) Tiny receiver adopted in the mouse, convenient totake.
2) Countered design, for both hands.
3) Plug and play: USB2.0
4) Precise tracking: advanced 800/1200/1600 dpi. 
5) 3 dpi for choice: freely switch in 800/1200/1600dpi.
6) Optimized connection: 2.4G wireless, 10mremote.
7) Power saving: sleep & awake technology, save morecost.
8) Transmit distance:8-10M
9) Measurement:105*60*35mm
10) Compatible with windows 98/XP/VISTA/WIN7.