Bluetooth Connectivity: Allows for seamless connection to your DJ machines or mobile devices, giving flexibility in how you handle your playlists. MP3 player - Simply store your favorite music as an MP3 over a memory card (TF, Micro SD) and use the loudspeaker for a jukebox or, alternatively, with https://www.bluetoothspeaker.top/adults-and-kids-toy-led-bluetooth-speaker-with-wireless-microphone/