Product properties: Model: M04 Bulb: COB LED Product size: 14.5*2.6CM Net weight: 47G Material: ABS Switch: switch push Battery: Built-in lithium battery Charging method: USB Type-C charging Equipment: COB white light strong light-COB white light weak light-COB red light-COB red light flash Zoom mode: fixed focus Waterproof grade: IPX4 Lumens: 300-400 lumens Range: 50-100 meters Features: COB soft light is not dazzling. The headlight strap can be adjusted in length. Comfortable to wear. Lightweight headlight with reflective strips. Night travel increases safety. Indicator light: Charging indicator. Charging position is red when charging. Green light when fully charged. Battery life: 4 hours Charging time: 2-3 hours Package option: A : 1 * headlamp ( built-in battery), 1*USB Type-C; B : 1*headlamp (built-in battery), 1*USB Type-C, 1*USB charger; C 1*Lamp headlamp (built-in battery), 1*USB Type-C, 1*USB car charger; D : 1*headlamp (built-in battery), 1*USB Type-C, 1*USB charger, 1 * USB car charger; E : 1* headlamp (built-in battery), 1* USB Type-C, 1* portable case; F : 1* headlamp (built-in battery ), 1*USB type-C, 1*USB charger, 1*portable case; G : 1*headlamp (built-in battery), 1*USB type-C, 1*USB car charger, 1*Portable Case; H : 1*Headlamp (Built-in Battery), 1*USB Type-C, 1*USB Charger, 1*USB Car Charger, 1*Portable Case;