Bluetooth Connectivity: Permits seamless connection to your DJ gear or mobile devices, giving flexibility in how you deal with your playlists. MP3 player - Simply store your favourite music as an MP3 with a memory card (TF, Micro SD) and use the loudspeaker for a jukebox or, alternatively, with https://www.bluetoothspeaker.top/portable-mp3-bluetooth-speaker-outdoor-portable-subwoofer-stereo-wireless-speakers/