Feature: 1. Ultra HD 4K 60FPS Camcorder: High sensitivity CMOS sensor, higher perceived image resolution and low noise for more realistic colours. Captures great 4K videos and amazing 42MP photos, helping you get excellent visibility even in low light. Built in 8 to 512GB small memory card slot for video storage, note small memory card is not included in shipping. 2. Stabiliser, Quick Charging: The 4K head camcorder delivers stable and smooth video with a built in 2 axis stabiliser, providing you with extremely smooth footage and making recording more stable and smooth. Supports Type C fast charging, so you can record your life without the worry of lack of power. 3. Horizontal And Vertical Screen Switching Function: One key to switch within APP, adapts to most short video platforms. Dedicated APP connects to the camera, you can view videos and pictures in real time through wireless fidelity connection, record and edit videos in real time and share them to social media. 4. 120° Wide Field of View, Distortion Calibration Function: Equipped with a spherical wide angle glass lens, the camera captures up to 120 degrees of field of view and can be adjusted over a wide angle range of 120° to 90°. Simply turn on distortion calibration to correct image distortion. 5. Ergonomic Design: Innovative head mounted video camera is lightweight and adopts a headband design that fits the ear shape, long time wearing, no sense of weight. Large capacity li polymer battery charging quickly, continuous video 5 hours (not open wireless fidelity about 6-7 hours). And support for external mobile power, laptop and other charging devices, to achieve while charging and recording. Endurance time for the laboratory specific environmental testing, the specific use of time to actual prevail. Specification: Item Type: Head Mounted Video Camera Material: ABS Product Size: Approx. 103x29x27mm / 4.1x1.1x1.1in Image Sensor: CMOS High Sensitivity Sensor Lens: 120° Large Wide Angle HD Lens Video Resolution: 4K (30 60fps), Backward Compatible One Touch Photo: 42M, 30M, 25M, Etc., Backward Compatible Operating Mode: Physical Keys, Mobile APP Operating Wireless Fidelity: Built In Wireless Fidelity Hotspot Speaker: Built In Microphone: Built In Video Format: MP4 H.264 Protocol Light Source Frequency: 50HZ 60HZ Expansion: External Small Memory Card (Maximum Support 8-512GB, Excluded) USB Interface: Type C Use Length: 5 Hours Of Continuous Video Recording (About 6-7 Hours Without Opening The Wireless Fidelity) Battery Type: 2200mAh Li Ion Battery (Built In) Support System: For Win, For OS X, For Linux. Package List: 1 x Camera1 x Bracket1 x Cleaning Cloth2 x Adhesive Sticker6 x Mounting Accessory1 x Instruction Manual