Up until this point, I’d been living with a cassette player and the headphones that came in the box, occupying myself with audio versions ... modern portable CD player with Bluetooth connectivity.

Bluetooth speakers are everywhere ... for most people (unless you're into hi-res digital music or vinyl records). They've become such commonplace audio devices that it'd be odd not to see one ...

But it was reborn as a Bluetooth codec, because it can also transmit full, CD-comparable, full-bandwidth, 16bit/44.1kHz digital audio files. The upshot is that it sounds obviously and considerably ...

which not only complies with the Bluetooth LE Audio standard and has a transmission bandwidth capacity of 2.1Mbps but is also capable of lossless quality within the aptX Adaptive codec for CD ...