Specifications:

• Material: ABS
• Output power(MAX): 4W
• Input current(A): 0.5-1
• Charging time(H): 4-5
• Working time(H): 4 hours+
• Charger:input: 5V output: 5-9V
• Battery Specification: Li-ion 18650-3.7V

​Features: 

• Small,light easy to carry 
• Handy or stand on the table
• Must have item for out door family time
• USB rechargeable battery
• Must remove the battery when direct use power bank

​Warranty : 1 month

What's in the box :
1 x Handy mini fan
1 x Battery
1 x USB cable