Features:
1. Optical engine, three-speed DPI speed regulation, 800-1200-1600DPI free choice
2. Built-in 500 mAh lithium battery, long battery life
3. The connection distance is 15 meters, which is more convenient to use
4. Colorful lighting effects, beautiful and practical
5. Dust-proof roller, sensitive and not stuck

Product parameters:
1. Material: ABS, electronic components
2. Connection with computer: wireless
3. Photoelectric resolution: 1600 (dpi)
4. Number of keys: 4 (keys)
5. Interface: USB
6. Adjustable resolution: three gears
7. Working method: photoelectric
8. Wheel direction: four-way wheel
9. Wireless transmission frequency: 2.4GHz, Bluetooth 3.0, Bluetooth 5.1
10. Built-in battery: 500 mAh lithium battery
11. Charging time: 2 hours
12. Battery life: 60 days
13. Dimensions: 11.3 x 5.7 x 2.5 cm
14. Product weight: about 66 grams