USB can be charged. Charge via the provided USB data cable. Contains 1200mAh polymer battery, no need to buy a battery. Lightweight and adjustable. This headlight weighs only 68 grams and is equipped with an easy-to-adjust elastic headband, which is very suitable for outdoor running, cycling, fishing, camping, etc. The waterproof rating is IPX4, which means the lamp will not splash water. Multiple lighting modes. Combination of lighting mode and induction mode. The white light and the red light are controlled by different switches. Super bright. Use this 150-lumen bright LED headlight to illuminate your road. The angle is adjustable. It can be rotated 60 degrees up and down, and the beam angle of the headlights can be adjusted to achieve directional lighting.