Bicycle Aluminium Rechargeable Head Light
One 1-Watt Super Bright White LED
With optical reflector designed inside
Function: 100% Brightness(5hrs)-50% Brightness(10hrs)-Off
Inclusive Micro-USB rechargeable cable
Green indicator under the button is on when charging and will beoff when finishing charging
Red indicator under the button is on when the battery is low
Battery: lithium polymer battery 3.7V/1500mAh