1. Interface: USB
2. Number of keys: 3 keys
3. Five resolutions are adjustable
4. Working mode: photoelectric
5. Click smoothly when using
6. Button strength: 60±10g
7. Wheel direction: four-way wheel
8. Photoelectric resolution: 1000dpi
9. Connection with computer: wired
10. Ergonomic, suitable for left and right hands, with anti-slip grooves on the side, sensitive and comfortable operation
11. Optical engine, high-density dual lenses, improve resolution, focus spot filtering, stray flash, accurate positioning
12. Dimensions: 75x120x37mm, wire length 1m
13. Weight: 110g