1. Noise: 36dB or less
2. Size: 13 x 8.9 x 2.5cm
3. Features: 3-speed adjustment, comfortable and light, long-lasting battery life, low-noise operation, 180-degree adjustment, detachable net cover
4. Weight: 91g
5. Working power: 1.2-5w
6. Battery capacity: 1200mah
7. Working hours: about 6 hours
8. Power supply mode: USB/built-in lithium battery