Rechargeable LED Headlight - Built-in rechargeable battery that charges the headlight via the included USB cable and provides 15 hours of stable lighting (4 hours at maximum brightness) for long-term outdoor activities (battery not included) [Burn Time]: 4 hours for main light in strong light / 7 hours for main light in weak light, 5 hours for auxiliary light in strong light / 8 hours for auxiliary light in weak light, 2 hours for main light and auxiliary light . [product packaging]: headlamp + micro USB charging cable + headband + color box Portable design - Weighing about 50 grams, the headband is adjustable and elastic, the lighthouse is perfect for kids and adults. You avoid heavy lights that interfere with hands-free activities IPX4 WATERPROOF AND VARIOUS USES - IPX4 waterproof headlights are ideal for various activities such as fishing, cycling, mountain biking, camping, hiking, mountaineering, DIY, exploring, reading, car repair, emergency tools and mining operations, etc. The perfect gift for children and friends.