What kind of USB port do we use? (YI 4K Action Camera) Micro USB (2.0) Related articles While using the USB cable to connect the YI 4K Action Camera to a PC, why can't the camera be used to take pictures, videos, and pair? How long is the charging cable? Does the YI 4K Action Camera support the AV OUT feature? Unable to Pair Camera How long can I record 4K video on a 16GB SD card?(YI 4K Action Camera)