Bluetooth codecs: For reasons I cite in my site about Bluetooth audio codecs, we didn’t mandate the inclusion of any specific Bluetooth codec—the technology that cuts down the amount of knowledge in a very digital audio file so it could possibly stream reliably in excess of a Bluetooth connection. https://www.bluetoothspeaker.top/hot-selling-high-quality-round-bottle-active-subwoofer-rechargeable-wireless-speakers/