It charges conveniently through a USB-C connection, making certain that you can certainly recharge it even on the run. MP3 player - Simply store your favourite music being an MP3 on a memory card (TF, Micro SD) and utilize the loudspeaker like a jukebox or, alternatively, with Micro USB https://www.bluetoothspeaker.top/rgb-portable-speaker-subwoofer-speaker-led-bluetooth-speaker/