1. Material: ABS, electronic components 2. Noise: below 36dB 3. Rated voltage: 3.7V 4. Rated power: 3W 5. Wind speed gear: 2 gears 6. Built-in battery: 500mAh lithium battery 7. Battery life: 1-3 hours 8. The front and rear thickened mesh cover design does not hurt hands 9. Atmospheric night light, convenient for night use 10. Quiet operation, large air volume, long use time 11.Micro USB interface, charging is more convenient 12. Product size: 11.5 x 7.6 x 4.2 cm 13. Product net weight: 119 grams
