1.Type:3D Opitcal mouse
2.Interface:USB
3.Resolution:800DPI
4.LED:one Blue LED
5.Key:3 Keys with over 40milion Stroke
6.Cable:Black,1.3M lenth
7. Working VA: 9~12V/100mA 8. Compatible system:Windows 95/98/XP/Vista /WIN7/MAC
- Number of buttons: 7
- Standard interface: USB nano
- Resolution: 800-2400 dpi
- Use battery: 2 AAA batteries
- Yes button on / off saving battery