Product Description:BRAND: YASE1. Popular Style
2. Portable Design
3. Easy to use with one step operation
4. convenient charging for using whenever you need.
5. input voltage 5V, input current 0.5-1A.
6. Charging time 4-6 hours, can be charged by power bank and computer.
7. Fully charge the product for the first time use.
8. The fan will automatically stop working if the battery voltage is insufficient.