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).< /p> 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 case can be easily carried on the head. Can also be used as a waist lamp. The zoomable headlight function can make you see a wider range of brightness. Includes headlamp + 2 rechargeable batteries + car charger + USB cable. IPX4 waterproof design withstands extreme weather conditions. Indoor and outdoor use: ideal headlamp for adults and children - running, walking, fishing, hunting, hiking, biking, reading, caving, camping projects. DIY, car repair and emergency kit. 3 lighting modes, easy to turn on 3 lighting modes, easy to turn on, high brightness mode / low brightness mode / flash mode switchable with a single control button. Technical specifications: Bulb: T6 LED LED life: 100,000 hours Battery type: 2x 18650 Li-ion batteries (3.7V 3200mA) < p> Product material: Aluminum alloy Charging time: 4-8 hours Waterproof grade: IPX4 The headlight range: 300-500M Battery: 3.7V< /p> 3 light modes, easy to turn on 3 light modes, easy to turn on, high brightness mode / low brightness mode / flash mode switchable with a single control button.