【USB Rechargeable】The LED headlamp can be charged via USB cable. With just 2-4 hours of charging, the headlight provides up to 6-8 hours of constant light. When the headlamp is charging, the charging indicator lights up red. Green light means fully charged. 【Comfortable 90°Adjustable Headband】The LED headlamp can be adjusted up and down 90°, allowing you to adjust the angle according to your needs. The headband is made of a comfortable, breathable and stretchy material for a comfortable fit. Adjustable headband, suitable for people with different head circumferences, suitable for adults and children. 【IPX5 Waterproof & 4 Modes】IPX5 waterproof, the headlamp is durable and safe to use in rain or snow. The headlamp has 4 modes, main light on, side light on, all lights on and strobe (SOS). 【With red warning light】When the lights are on, the red taillight will light same time. The headlamp has a COB main light and 2 LED position lights. The super bright COB main light provides a wide light