So far I had always cheap in-ear headphones with neckband. All others are always slipped out of my ears. The cable has always bothered me, so I was looking for an alternative and with the BackBeat FIT found. The price is high, but there are already sports watches. After unpacking the firmware update first recorded then tested shortly. The sound is OK, as entertainment in sports more than adequate. What I find is good that outside noises are hardly screened, yielding yet mitbekommt of around something.
The first time you run training listeners comfortably and securely in your ears. The volume could be also easily change. I have not yet tested the calling feature.
In the supplied bag my Samsung Galaxy S4 fits just as pure. The bag stunk after unpacking, but after 3 days on the balcony, the problem was solved.
A question arises for me: how long survived the built-in battery? I have the impression that this can not be changed.