Summary: These headphones are appalling. They do not stay in your ears and the sound quality is dreadful. Whilst I appreciate £40 is not a huge investment in quality, all my previous Sennheiser sports headsets in this price range have been great. These are useless, avoid.
Summary: I actually love these earbuds. The sound, in-ear fit, and controls are all excellent. On that basis, these are 4.5 stars worth of gear. Unfortunately, the quality of the wire connection to the jack is seriously lacking. I am currently the proud owner of two sets of these utterly useless ear buds.
Summary: The sound quality from the headphones is good, as long as you are not moving about. They are described as 'Sports' and I bought them to use while running and they will not stay in my ear, they do not have any real adjustment or ability to change shape except for supplying 3 different size ear buds.
Summary: Exactly one month and one week after I received this, the microphone stopped working. I am an avid runner and gym goer and I have been using these solidly for the past month. Reading through some of the other interviews (after I bought the item!