Rechargeable and long last: This headlamp can last for 4-6 hours after fully charged.Because it has built-in 1600ma lithium-ion battery.Head Lamp can be charged by included charging cable.The headlamps usually take 2-3 hours to fully charge.The power indicator will light up when charging.The indicator light can show remaining battery.All the indicator lights are on,it means fully charged.One indicator light is on that means 25% power.You can charge and use our head light at the same time.Smart function: This headlamp rechargeable is made of top quality COB chip,and the illumination range reaches 260,which is very broad,bright and not dazzling.The headlamp flashlight has three functions,strong bright,low light and flashing warning,Press button can switch different functions.The other side of the LED headlamp has a warning red light.It's a very practical and intelligent head lamps for everyone.Comfortable and lightweight: The strap of this headlamp is made of high-grade rebound elastic band, the length can be adjusted freely,the elasticity is abundant but no pressure pain,and the weight is only 4 ounces.It is a suitable headlamps for adults and kids.Please take it anywhere as you want.Brightness and widely use:The luminous flux is up to 1600LM,so this wide beam led headlamp is more brightness,the vision in the dark is great,extremely suitable for outdoor activities such as running,climbing,cycling,camping,fitting on the helmet,etc.You can use it for repairing,needlepointing.The head flashlight is water-resistant you will don't worry about whether it's icy-cold,extreme rain or intense heat.