Bluetooth codecs: We don’t award extra points for inclusion of more Bluetooth codecs outside of the standard SBC codec found in all Bluetooth devices. The sonic differences among the these codecs are insignificant beside the conveniently read differences among the speakers them selves. Portable speakers with a built-in battery https://www.bluetoothspeaker.top/oem-logo-smart-lamp-bluetooth-speaker-and-led-display/