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
