FUNCTION•With BT FunctionPlay USB/TF Card in the MP3 audio file•External power charging interface•FM auto scan radioWith disco lightMode switch ( Long press ON to power OFF, Short press BT/SELF-TIMER/USB/TF/FM/AUX) Short press to turn on and off the lights(disco light)3Short press is Play/Pause, in MP3/FM/BT modes, long press isautomatic searching FM stations in FM mode.Press " ll " button to answer phone callsLong press to reduce volume. ln FM mode, short press is previous station. In MP3 mode, short press is previous song. ln self-tim mode, short press "- " button is self-timer function.5Long press to increase volume. ln FM mode, short press is nextstation. In MP3 mode, short press is next song. ln self-timer mode, short press " + "button is self-timer functionTWSOpen two BT speakers at the same time.Double-click the "l"key (Heard "tick" is ok).Open the phone BT,search for the matchingname for another BT speaker and connect