Specification: Product name: Mijia Mini 4K Action Camera Product model: YDXJ01FM Appearance size: 71.5 * 42.7 * 29.5mm Product color: black Product weight: 99g (battery included) Wireless connection: IEEE802.11 b / g / n Bluetooth: Bluetooth V4.1 Display: 2.4 Inch Touch Screen Battery: 1450mAh Li-ion Battery Operating temperature: 0°C ～45°C Storage temperature: -20°C ～60°C Perform standard: Q/BJFMK0005-2017 Mirco SD Card: Maximum Support 64GB (Not Included) Recording: dual microphone Camera diaphragm: F2.8 Camera focal length: 3.2mm Camera wide-angle: 145° Stabilization: EIS 6-axis Electronic Anti-shake Photo maximum resolution: 3840 * 2160 Video maximum resolution: 3840 * 2160p30 ​ Package: 1 x Mijia Mini 4K Action Camera 1 x Li-ion Battery 1 x USB Cable