About Product:This product adopts high power 1W single energy saving, high brightness, long life LED lamp. High elastic breathable headband, different type of elastic adjustment, lightweight and comfortable, portable, removable backplane. Humanized Karen conditioning design, lamp 0~90 degree of freedom rotation, a wide range of lighting, the use of more convenient and flexible. The strength of dual regulation: press the switch to the first and second gear, lighting function optional light intensity. Built in 3000mAh large capacity battery, full power can be used continuously for 11 hours