1. Optical resolution: 200DPI
2. Number of keys: 5 keys
3. Working method: photoelectric
4. Adjustable resolution: 3 levels
5. Operating distance: 10 meters
6. Weight: 79g
7. Dimensions: 6 x 11.5 x 3.5 cm
8. Power supply: 2 x AAA batteries (not included)
9. Side key page turning function
10. Button mute, no sound and no light, 3 DPI adjustment
11. Ripple dots, feel comfortable and have anti-slip effect
12. Packing list: mouse, receiver