The Xiaomi MiJia Compact 4K Action Camera is a small and lightweight camera that can easily fit into your pocket. It features a 2.4-inch touchscreen display, Ambarella A12S75 chip, Sony IMX317 sensor, and 6-axis image stabilization. It can capture pictures at 3840 x 2160 pixels (4K) and record 4K videos at 30 fps. The camera also supports WiFi and Bluetooth connectivity and comes with an SD card slot which can take a maximum of 64GB SD card. The article also provides links to buy the camera and its accessories from AliExpress and GearBest.