1. No need to install any software, plug and play, easy to install
2. Symmetrical design of left and right hands, comfortable grip
3. Anti-violent wire pulling design, durable
4. 1000DPI high-precision tracking engine, responsive and smooth operation
5. Non-slip 3D roller
6. Number of keys: 3 keys
7. Photoelectric resolution: 1000dpi
8. Interface: USB
9. Buttons: left button, middle button, right button
10. Cable length: 1.6m
11. Size: about 119x64x39mm