Feature: 1. Powerful Functions: Lamp head angle adjustment, life waterproof, large capacity battery, USB smart charging, gesture sensing, to meet the lighting needs of different scenarios. 2. A Variety of Lighting Modes: Switch at will, wave the sensor mode, wave the hand to control the light switch. 3. Adjustable Headband: Suitable for people with different head circumferences, convenient and practical. 4. USB Charging: It can be used with mobile phone charging head, mobile power supply, notebook computer, etc. 5. Mini Portable: Easy to use, waterproof in life, not afraid of wind and rain, suitable for adventure/night running/camping/maintenance/hiking, etc. Lightweight smart headlight liberates your hands. Specification: Item Type: Head Lights Material: ABS Voltage: 5V Battery: Built in One Polymer Lithium Battery, Capacity 1200mAh (Included) Product Size: Approx. Width: 6cm / 2.4in Height: 3cm / 1.2in Thickness: 3.5cm / 1.4in Mode: Strong Light, Medium Light, Low Light, SOS Weight: Approx.85g / 3oz. Package List: 1 x Light1 x Headlight Belt1 x USB Cable