Taking your tunes into the watery depths, the Sony NWZ-W273 waterproof MP3 player ... to other sports headphones that we have tested. It was all so promising for the Sony NWZ-W273 Walkman MP3 ...

Five examples of the best new audio tech for one, spanning from a 1980s-infused portable record player to earbuds promising lossless audio over Bluetooth, and a new Walkman – the greatest name mobile ...