Features:
1. Ergonomic design, stable operation and comfortable hand feeling
2. Adopting optical tracking technology, smooth cursor control and high sensitivity
3. Anti-slip rollers, sliding smoothly
4. USB interface, convenient and quick

Product parameters:
1. Material: ABS, electronic components
2. Photoelectric resolution: 1600dpi
3. Number of keys: 3 keys
4. Interface: USB
5. Wireless transmission frequency: 2.4GHz
6. Wheel direction: front and rear
7. Working method: photoelectric
8. Operating distance: 10 meters
9. Battery: AA battery x 1 (delivery without battery)
10. Product size: 10 x 6 x 3.8 cm
11. Product weight: about 45 grams