The Sony NW-WS623 Walkman headphones have a built-in MP3 player - so you can run or swim without taking your phone

The supplied dock connects to the pins on the right headphone for charging or connecting to a computer

Plug the Micro-USB cable into the socket on the dock, then plug the other end into a computer

Open the Content Transfer app and drag and drop the music on to it to start copying tracks

Use the Play/Pause and Next/Previous Track buttons on the right headphone to control music playback

The other side has volume controls and a mode button for shuffle or repeat play