sports video recording, etc. 【EIS 2.0 Super Anti-shake & 120° Wide Angle Lens】 Using EIS 2.0 super anti-shake technology to reduce the shaking caused by human body movement and make the image more stable and more clear; 120° wide angle lens can prevent image distortion effectively, at the same time, achieve wider view range. 【APP Wireless Remote Control】 The video camera can be controlled by APP through WiFi connection. Download the tailored APP "QSCamera" in APP stores on your smartphone, then you can select functions like photograph/ time reduction photograph/ time reduction video record/ video record, or set resolution, fast recording, anti shake function, slow motion, recording time, etc. 【Built-in Rechargeable Lithium Battery】 built-in 2200mA large capacity battery that supports about 5H working time after being fully charged, with USB type-C port for quick charging; supports 8GB to 512GB TF card(not included). When the cyclic video recording is turned on, the previous files will be automatically deleted and the video recording will continue after the memory card is full. Specifications: Color: Black Compatible Memory Type: TF card, supports 8GB to 512GB(not included) View Angle: 120° Video Format: MP4 Video Resolution: 4K 30fps, 2K 30fps, 1080P 30fps, 1080P 60fps, 720P 60fps, 720P 120fps Image Format: JPG Image Resolution: 6400x4800, 5120x3840, 4320x3240, 4216x2376, 3840x2160, 2592x1944, 1920x1080 Supported System: Windows XP/ 7/ Vista/ 8/ 10; Mac OS X 10.4 or above, Linux Battery: 3.7V 2200mAh lithium battery Charging Port: Type-C Charging Voltage: 5V 1A-2A Camera Body Size: 10.3 * 2.9 * 2.7cm/ 4.1 * 1.1 * 1.1in Camera Body Weight: 75g/ 2.6oz Packing List: 1 * Video Camera 1 * Headband 1 * Helmet Mounting Base 1 * USB Cable 1 * User Manual (English & Chinese)