Charging Longboard Rechargeable Rear with Set Skateboard 4-in-1 USB and Cable Skateboard Front Anself

Front and rear set provides better visibility and safer riding at night. Easy to use, hold the power button for 1.5 seconds to turn on or off. 5 modes switchable: Constant, Slow flash, Fast flash, Super fast flash, Breathing flash. The rear turns off automatically in stationary state for 40 seconds, and turns on when any vibration is sensed. Built-in 400mAh battery is rechargeable from any device with 5V USB output, such as computer, laptop, or power bank.