Long last and USB rechargeable---rechargeable Headlamp only need 4hours fully charged with Any USB port(micro USB cable included).This rechargeable LED headlamp provide up to 7 hours Uninterrupted lighting in High mode15hours in Low mode. Lightweight and comfortable---This Lightweight Headlamp weighing only 1.48onces and adjustable Elastic Headband you won't even notice wearing it. Waving your hand to control its turn on/off in motion sensor mode. MOST IMPORTANTLY ****Headlamp doesnt bounce or slip with impact*** hand-free design make it perfect for running jogging camping fishing hiking climbing walking your dog at night. Best headlamp for adult and child to wear. Waterproof and Adjustable beam--IPX6 water resistance design for heavy rain (even though you soak this Waterproof headlamp for 2-3 hours into waterit can be used as usual too) . 60 Degree Adjustable beam for oriented lighting meet various lighting needs Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.