1. 2.4GHz wireless mouse with mellow and full line, shape novel, and feeling relaxed
2. Key-press life over 150 million times
3. Resolution: 1600dpi, Nano receiver (USB port)
4. Working distance 8 meter, 1.5V AA*1 battery
5. Compatible for windows 95/98/Me/NT4.0/2000/XP/Win7
6. Mouse size: L81.0*W48.5*H29.0mm