USB LED Rechargeable MTB Bike Bike Bike Front Light Loud wne bike flashlight bike light bike accessories Features: Bike USB rechargeable tail light and automatic cut-off when fully charged. High quality internal lithium battery, it only needs about 2 hours to be fully charged while to be used for about 12 hours. Long steady bright ---- 2 hours Slow flashing ---- 10 hours Super Flash ---- 6 hours Strobe light ---- 8 hours 4 modes: long bright, slow flashing, burst flash and strobe. Super waterproof will make you ride freely no matter the rain. High brightness and energy saving LED. Specifications: Headlights: Material: PC ABS lampshade lamp cover Size:.6.5*2.0*3.5cm Color: Black/White Applicable vehicle tube diameter: 20-40mm Charging time: 3 hours from USB Discharge time: highlight 3 hours, low light 5 hours, shiny 12 hours Tail light: Material: PC ABS lampshade o