LED USB Rechargeable Bike Lights Super Lumens, Super Bright Bike Headlight and Taillight Front Light and Back Rear Led | Easy to Mount 4 Light Mode Bicycle Light Fits All Bicycles, Road, Mountain

Features: -4 lighting modes -Waterproof, can be used in the rainy day -Super bright with max brightess up to 450 lumens -Free hands, conjoined two-in-one button, no need to take off the handle to control the lights and speakers at the same time -120 high-decibel speakers, five sound effects double-click to switch 4 Light Mode Options and Discharge Time of Full-charging Headlight: 2.5hrs(full brightness) ,4.5hrs (half brightness), 3.5hrs (slow flashing), According to the environment (sensing brightness) Taillight: 4.5hr (full brightness) ,15hrs (half brightness), 12hrs (slow flashing), 11hrs (fast flashing) USB Rechargeable  Both the headlight and taillight are USB rechargeable. All you need is a USB cord (included!) and a power source to recharge (Computer, laptop or a cellphone charger) How to Charge 1. Attach the micro USB cable to the Bike light’s micro USB input port. 2. Insert the other end of the cable into either an AC adapter(not included) connected to a wall socket or an active computer USB port. 3. The front LED power indicator is blue when charging, the three power indicators are blue after the charging is completed, the tail light is red when charging, and the LED indicator is off after the charging is completed. Package Contents 1 X Headlight (white light) 1 X Taillight (red light) 1X USB Horn bell 2 X USB cables 1 X Mount Bracket for Headlight 1 X Mount Bracket for Taillight 2 X Instruction Manual