This USB headlamp is fully rechargeable with a built-in battery. Has a battery indicator with four indicator lights on the side of the headlamp. Features a hand free sensor to turn on & off the headlamp and a 90 degree tilt angle to point the light where you want it, the small size and light weight makes it a versatile piece.
Charging method: micro USB.
Battery life: 3-4 hours on main light at 100%, auxiliary light 5-6 hours.