Bluetooth codecs: For reasons I cite in my blog about Bluetooth audio codecs, we didn’t mandate the inclusion of any specific Bluetooth codec—the technology that lowers the amount of information inside a digital audio file so it may possibly stream reliably about a Bluetooth connection. �?It’s quite expensive. $449 https://www.bluetoothspeaker.top/rgb-led-light-led-logo-ipx5-waterproof-outdoor-hiking-bluetooths-speaker/