In use, the audio rendering is quite good, it is not in the high end, but it is very correct, and external noises are filtered.
Note, this model generates noise when there is friction on the cables: not a problem when walking, but use 'sportier' should be avoided.
In use headset, my correspondents tell me they hear often against me from a distance when I'm in a noisy environment (eg street).
The bent headphone jack is well suited to smartphones and avoids rapid wear (broken strands of wire in the helmet or even taking the Smartphone) as is the case with some competing right decision.
Last, an Android app, customizable, and does its job.
For the price, a good choice then.
