1. Mute button, 3 speeds, smart chip, comfortable feel
2. Long-lasting battery life, durable
3. Ergonomic design, comfortable hand feel
4. 3-speed DPI: 800-1200-1600DPI
5. Number of keys: 4 keys
6. Power supply mode: USB charging / built-in lithium battery
7. Battery capacity: about 300mah
8. Working distance: 10 meters
9. Rated voltage: DC 3.7V
10. Current: 13mA
11. Dimensions: 106x62x34mm
12. Weight: 72g
