USB Fashion Mini Fan

colour are random
Input voltage : 4.75V-5.25V
Output voltage: 5W-10V
Output power : 5W Max
Battery Specifications: 18650 Li-on 3.7V
Dimensions: 5.1*4.1*1.5* Inch
Charging Time : About 4 hours
Working time :
1 Speed: about 8 hrs