Bicycle Rechargeable Waterproof Headlight Power Bank

If you receive the product and it does not work, please note that the product cannot be disassembled, otherwise it will cause a short circuit because the line is blocked. Please follow the following operations to test:
①You need to use the original data cable to charge for 6-8 hours. After charging for half an hour, check whether the switch indicator is bright red or green. As the light is relatively dark, it is recommended to check in a darker place;