Rechargeable COB LED USB Headlamp Strong Magnetic Powerful Headlight Super Bright Waterproof Head Torch For Outdoor Fishing Product Detail-Material: ABS -Model or LED: 1 * Q5 1 * COB-Color:TD02 -Item color: black -Light color: White -Lighting mode: 2 modes -Battery: 1x18650 battery( built in battery) -Switch type: Independent press switch Battery Charger: • Input: AC110-220V 47-63HZ • Output: 3.7V; 1A Battery: • Quality: 1pcs • Material: Li-ion Battery • Voltage: 3.7V