Features: Head mounted sports camera with multiple ways of wearing to meet different scene needs. Sports 2.0 anti shake technology can maintain stability even during exercise. Adopting 130 degree wide-angle photoshoots, pair with six glass optical lens, clear, smooth, and without distortion. Equipped with build-in WiFi hotspot, it can connect to a mobile phone and view the screen in real-time. Lightweight and comfortable to wear, perfect for vlogs such as cycling, skiing, fishing, and traveling. Specifications: Material: ABS Size: about 9.50cm/3.74inch Model: X8 Lens: 130° wide-angle 6-glass lens Video format: MP4 Photo format: JPG Anti shake: Supports 2.0 anti shake Memory expansion: Supports 512GB card expansion Battery: 3.7V battery Package Includes: 1Pc Head Mounted Camera note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.