The speaker takes advantage of CSR 4.0 Bluetooth for high quality music streaming and you can connect the speaker to your smartphone or tablet devices. The speaker will come with a built-in rechargeable 3600mAh battery and charges by means of the micro USB port. The speaker also arrive with https://www.bluetoothspeaker.top/high-quality-speaker-waterproof-wireless-outdoor-sports-bluetooth-speaker/