Ledsniper&reg; 3 In1multifunction 800lm Glare Torch Flashlight and Headlamp Headlight USB Mobile Power Bank (BLACK) USB port for charging phones or other devices Built-in rechargeable lithium battery, being charged by mini USB port 800LM 3 modes:high/middle/SOS It can be fixed on head for easily lightling with the adjustable belt for headlight Portable and practical