Product Name: Chinchilla Foldable Fan 
Product Model: WT-F2
Charging input: DC5V-1A
Output power: 2.1W 
Wind speed: 3 speed contal
Workingtime: 3 hour for low speed,2.5 h for middle speed
output voltage: 6-9.5v 
Battery:18650/3.7v
Charging time: 2 hours 
Operating current:3.7v/0.8A