Super Bright COB LED Beads: The headlamp has 40 COB beads, different light modes with different lumens, bright mode up to 500 lumens. USB rechargeable : the headlamp is equipped with a standard micro USB input socket, supports various charging methods, while the USB output socket can be used for emergency charging of mobile phones and other electronic devices . Light and comfortable: the lamp weighs only about 150 g. The back of the headlamp is designed with a pad and adjustable straps to make it more comfortable to use and wear. 3 lighting modes: the headlamp includes high lighting modes, medium and flashing. Only one button to control the lighting mode. You can adjust the color of the light as you like. IPX4 waterproof: The headlamp is made of high-strength ABS material, so that your work will not be disturbed even in the rain and snow, and it is also drop resistant. It is suitable for outdoor camping, construction and underground work. Product Description LED COB Headlamp: The headlamp with cob has a built-in 1200mAh rechargeable battery and supports a variety of USB devices. Built-in 40 COB lamp beads, 500 lumens, 3 different modes can be adjusted, wide lighting range. Lightweight headlamp weighs only 150 grams, easy to carry, suitable for outdoor camping, mountain climbing. Note: Do not irradiate your eyes directly when the lamp is on. Do not soak or wash the headlamp directly (waterproof and rainproof). Do not split the headlight to damage the built-in battery to avoid safety. Bead: 40 COB LED beads. Lumen: 500 lumens. Rechargeable: USB rechargeable Waterproof: IPX4 waterproof. Battery: 1200mAh. Materials: ABS. Net weight: 97g. Mode: High pressure resistance