Louttary Built-in Rechargeable Lithium Battery built-in 2200mA capacity battery that supports about 5H working time after being fully , 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 be automatically deleted and the video recording continue after the memory card is full.Specifications:Compatible Memory Type: TF card, supports 8GB to 512GB(not included)View Angle: 120°Video Format: MP4Video Resolution: 4K 30fps, 2K 30fps, 1080P 30fps, 1080P 60fps, 720P 60fps, 720P 120fpsImage Format: JPGImage Resolution: 6400x4800, 5120x3840, 4320x3240, 4216x2376, 3840x2160, 2592x1944, 1920x1080Supported System: XP/ 7/ Vista/ 8/ 10; 10.4 or above, LinuxBattery: 3.7V 2200mAh lithium batteryCharging Port: Type-CCharging Voltage: 5V 1A-2ACamera Body Size: 10.3 x 2.9 x 2.7cm/ 4.1 x 1.1 x 1.1inCamera Body Weight: 75g/ 2.6ozColor: gray blackmaterial: plasticPackage Contents:1 x Wearable Camera1 x USB Cable1 x Chinese and English manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.