Gravity Sensing USB Rechargeable Clip-on Headlamp and Headband
These USB Rechargeable Headlamps have a regular On setting as well as a motion detector setting and a gravity sensing setting.
The headlamp emits 30 lumens and will run for 4-5 hours, taking 2-3 hours to recharge the built-in lithium battery via the included micro-USB cable.
The gravity sensing setting automatically turns off the headlamp when you look up, so you don't blind the person you are talking to. It automatically turns back on when you look down again.
The motion detector setting turns the headlamp on or off whenever you wave your hand in front of it within 5 cm.
The headlamp comes with a strong, durable, fully-adjustable and very comfortable headband. It can also clip onto any cap. Altogether, it weighs 33g! It is alsocompletely waterproof.