The speaker employs CSR four.0 Bluetooth for high quality music streaming and you'll connect the speaker to your smartphone or tablet devices. The speaker comes with a built-in rechargeable 3600mAh battery and charges by way of the micro USB port. The speaker also arrive with a built-in UNC threated https://www.bluetoothspeaker.top/wireless-bluetooth-speaker-hifi-led-outdoor-loudspeaker-music-surround-bass-box/