Rechargeable Headlight-USB USB charging cable allows you to charge from any USB device, powered by 2*18650 rechargeable batteries, can last up to 4-6 hours under full charge).3 in 1 | Multi-function capability; Can be used as a headlamp, waist lamps or desk lamps. Zoomable, adjustable, durable, hands-free, comfortable 3 modes: low; High ; Strobe. You can just press the power button to switch.90 Rotation: The 90 adjustable headlamp with elastic headband and lightweight battery box can be easily carried on the head. Can also be used as a waist lamp. Zoomable headlight function can make you see a greater range of brightness.Includes headlamp + 2 rechargeable batteries + car charger + USB cable. IPX4 waterproof design withstands extreme weather conditions.Indoor & Outdoor Use: Ideal headlamp for adults and children - running, walking, fishing, hunting, hiking, biking, reading, caving, DIY projects, auto repair and emergency kit.3 light modes, easy to turn on3 lighting modes, easy to turn on, high brightness mode / low brightness mode / flash mode switchable with one button control.Technical specifications:Bulb: T6 LEDLED life: 100,000 hoursBattery type: 2x 18650 Li-ion batteries (3.7V 3200mA)Product Material: Aluminum AlloyCharging time: 4-8 hoursWaterproof grade: IPX4The range of headlights: 300-500Mbattery: 3.7V3 light modes, easy to turn on3 lighting modes, easy to turn on, high brightness mode / low brightness mode / flash mode switchable with one button control.