<b>4 Light Mode Options and Discharge Time of Full-charging</b><br> Headlight: 6.5hr (full brightness) ,10hrs (half brightness), 6.5hrs (slow flashing), 12hrs (fast flashing)<br>Taillight: 9.5hr (full brightness) ,16hrs (half brightness), 10hrs (slow flashing), 11hrs (fast flashing)<br><br><b>How to Charge</b><br>1.Atach the micro USB cable to the Bike light’s micro USB input port.<br>2.Insert the other end of the cable into either an AC adapter(not included ) connected to a wall socket or an actve computer USB port.<br>3.The LED indicator of front light has a red light when charging and the LED indicator will turn to be green when finished charging.<br>4.The LED indicator of tail light has a red light when charging and the LED indicator will not display when finished charging.<br><br> <b>Package Contents</b><br>1 X Headlight (white light) <br>1 X Taillight (red light)<br> 2 X USB cable<br> 1 X Mount Bracket with Screw for Headlight<br>1 X Silicone mounting Strap for Taillight<br> 1 X Instruction Manual<br>