The speaker makes use of CSR 4.0 Bluetooth for high quality music streaming and you can connect the speaker to your smartphone or tablet devices. The speaker arrives with a built-in rechargeable 3600mAh battery and charges by using the micro USB port. The speaker also arrive with a built-in https://www.bluetoothspeaker.top/led-super-boombox-wireless-bluetooth-speakers-waterproof-pc-column-music-player/