EASY TO USE - Single-button design with two light resources: Spotlight and Floodlight. In any mode, if you hold the power button for 3 seconds, you can easily adjust the brightness of this led rechargeable headlamp to meet your different lighting needs. SUPER BRIGHT & RECHARGEABLE- The headlamp flashlight has the maximum brightness of 300 lumens, easily light up an entire tent, room and road. The rechargeable head light can last for 4-6 hours after full charge and allow you to charge and turn on the light at the same time. LIGHTWEIGHT & WATERPROOF - Weighing only 2.5oz and IPX4 waterproof rate, the headlamp is perfect for anyone who needs a led headlamp whether it is raining or snowing, indoors or outdoors. It is also a great rechargeable headlight for running, hiking, camping, climbing, fishing, hunting, etc. ADJUSTABLE ANGLE & STRAP - The head lamp can be adjusted downward by 90 and tightly fixed to avoid shaking and sliding when running. The led head flashlight uses comfortable elastic headband, which can easily adjust the length to perfectly fit your head size. It is a perfect headlamp for adults and kids. MAGNETIC & DETACHABLE - Designed to solve lighting challenges from any angle, the usb rechargeable headlamp body also easily detaches from the head strap and mounting bracket to become a versatile handheld flashlight with a built-in magnetic base for attachment to metallic surfaces.