1. Product
model:M505
2. Human body engineering design
3. 6 programmable keys
4. Light mode: 7 colors backlight
5. 4-level
adjustable DPI, Max.3200 DPI
6. Voltage rating / electric current: DC 5V / 100mA
7. USB plug and play
8. Switch life: 5million times
9. Cable length: 180cm
10. Item Weight:125g
11. Product Size:122*76*37MM
12. Support Windows 2000 / XP / win7 / win8 /win10 Vista 32bit IOS or latest.