In addition to cd dab and bluetooth this micro system can play back music files directly from a usb stick the remote makes it easy to find your song from the thousands you can fit on a high capacity usb stick the usb also allows for a wired connection to a mobile device for music playback panasonic make it easy to send music wirelessly from your portable device to your speakers this micro system features bluetooth and nfc for connection to an android or ios device operation couldnt be e