About this item Super Bright COB HeadlampThis bright COB headlamp provides 260 wide angle illumination with 40 PCS COB lamp beads, 2000 lumens output for a maximum brightness that illuminates everything with an incredible field of vision. USB Rechargeable & Indicator LightThis upgraded COB headlamp has a built-in 1200mAh rechargeable battery and can be charged by the USB cable included and your phone's wall charger. Its indicator light displaying the battery level can remind you to recharge it in case of dead headlight. When charging, this light can indicate the remaining battery that needs to be charged. Adjustable Headband & Comfortable FitOur mini cob LED headlamp features an adjustable and stretchy headband that stays in place. place, suitable for all head sizes and also fits over a helmet, stocking cap, most baseball caps and beanies. Lightweight & IPX5 Waterproof The headlamp weighs only than 80g, so you can feel the head without pressure, you will feel very relaxed. IPX5 waterproof can protect your headlamp from all angles from splashing, you don't worry about rain. Wide ApplicationsThis portable headlamp is suitable for many applications such as camping, hiking, running, working, hiking, fishing or anything else you need a powerful hands-free light. The on/off button on the back of the battery compartment will also light up red at the same time. time the headlight is on, acting as a taillight