Rechargeable headlamp: Charged via USB data cable, the total capacity is 1200mAh. Bright enough: The light of the LED light can reach 206.69 feet/150 meters. Easy to use: The flashlight can be easily carried with the headband, which is convenient to carry. Practical: The flashlight is equipped with an adjustable headband, which can be adjusted by itself to better fit our head. Suitable for many activities: This flashlight can be usually used outdoors or at night, such as hiking, camping, night fishing, caving, car maintenance or other repairs, etc. Rainproof: The headlamp is waterproof and can be used on rainy days. rain, but remember that it cannot be used underwater.