Thanks, Raffy!
Here's the link - http://www.ebay.co.uk/itm/141434286125?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT.
It's really simple and I can appreciate it looks quite cheap. However, it suits my purpose for using Spotify on my phone. The quality is decent too, just be sure...