Feature:1. Adjustable Headband: Rechargeable headlamp adjustable headband, suitable for people with different head circumferences, convenient and practical.2. Adjustable Lighting Angle: Headlamp has a variety of lighting modes, which can be switched at will, and the lighting angle can be adjusted at will to meet the lighting needs of different scenes.3. USB Charging: USB charging, can be used with mobile phone charging head, mobile power supply, notebook computer and other charging.4. Large Capacity Battery: Powerful, red and white dual light source, large capacity battery, USB smart charging, to meet your electricity needs.5. Applicable Scene: Mini portable, waterproof for life, suitable for adventure/night running/camping/maintenance/hiking, etc. Lightweight smart headlight liberates your hands.Specification:Item Type: HeadlampMaterial: ABSWeight: Approx. 132g / 4.7ozSize: Width Approx. 9cm / 3.5in, Height Approx. 5cm / 2.0inVoltage: 5VBattery: Built in One 18650Lithium Battery, Capacity 1200MAH (Ship with Inbuilt Battery)Function: White Bright Light, White Medium Light, Red Light, Red Light Burst.Package List:1 x Headlamp (Ship with Inbuilt Battery)1 x USB Cable1 x Headband