Bluetooth Connectivity: Allows for seamless connection to your DJ devices or mobile devices, furnishing flexibility in how you manage your playlists. MP3 player - Simply just store your favorite music being an MP3 on the memory card (TF, Micro SD) and utilize the loudspeaker like a jukebox or, alternatively, https://www.bluetoothspeaker.top/hifi-sound-quality-support-hands-free-call-waterproof-wireless-bluetooth-speaker/