Led Running Light Waterproof Sweatproof with Adjustable Strap

There are 3 modes: high, low, and strobe.
Easy Waterproof and safe in the water spray.
We are dedicated to the quality and experience of our product. If there is any problems with this purchase we will do our best to help you to help solve the problem.
Charging instructions:
Charging with your PC or mobile power, you can play with household power 4.2 V, bu

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