They are perfectly mobile even though they stick out a lot from your ears. However you won't even notice them that they are there. Easy to pair up and control but not loud enough. Good quality but a bit pricey.

Most importantly the design works, the batteries are in the ear buds and the ear clips really work, just twist it round and they are secure. Splashproof is vital for exercise and the NFC means connecting is easy. The sound quality is outstanding.

Fits perfectly Controls from single button High battery life