Adult bicycle helmet with led baseball cap design for outdoor cycling such as electric bikes skateboards and roller skates.

1.Press and hold for 3 seconds to turn on the device. Pressing once will switch to one lighting mode, with a total of five lighting modes available.2.Press and hold for three seconds to shut down.3.After receiving the product, if it cannot be turned on by long pressing for 3 seconds, it may be due to low battery. It is recommended to fully charge it before use.