Voice and audio quality good, Schnurgebundenens HTC headset better, but Bluetooth is unlikely to give much more even. Voice messages easy to understand. , I come from the PC reach a partition Ok, whereat the second wall is concluded for Bluetooth perfectly okay. Maxiamale volume could be louder, NEN hearing loss you do not get determined, but have understood at the current Radio everything, Counterpart has noticed the radio nothing. And the most important compared with other recessions, it is pageable. Either have never had the part in the hand or not hingeguckt the other rapporteurs. The ear hook is attached, in the form of a "c" a page so open, pull-turn-plugging, already it fit to the other ear. Battery life I can not yet say, first store was in 30 min, 2 hours had indicated. 4 stars for maximum volume level (do not want to be deaf, but reserve is no longer) and voice quality over Corded, würds buy again.