How do I install and use USB devices or Micro SD cards?

Turn off the unit before installing a USB device or Micro SD (TF) card. Insert the USB device into the USB port or the TF card into the Micro SD card slot. Turn on the projector, press the Source button to select Media Player mode, and use the remote to navigate and play your files. The projector supports USB and SD cards up to 32GB with formats including MPEG1, MPEG2, MPEG4, MP3, and JPEG. (Pages 13-14)