Input interface: USB Micro
Battery capacity: 1800mAh
Product material: ABS
Life time: 90-220 minutes
Charging time: 3 hours
Product net weight: 130g
Input: 5V／1A
Gear position: third gear
Product size: 115X85X32mm
Material: ABS

1. Please don't blow on your face for a long time
2. Don't wear it to sleep
3. Do not put in water
4. Please pay attention to safety when charging