The speaker works by using 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 way of the micro USB port. The speaker also occur with https://www.bluetoothspeaker.top/2025-latest-design-speaker-outdoor-fabric-wireless-portable-bluetooth-speaker/