However, there is a 1-2 second delay for the sound. This is the first and as far as I know only earbuds that lasts a real 15 to 16 hours and I am amazed that it can because there are no larger than any other pair I?ve ever purchased. I would have preferred the heat at the bottom and not designed to walk in. It was easy to put on and it stayed on until she wanted it to come off. Were my expectations low? Maybe. Das ich bei einem 300Eur Headset, nochmal 50Eur für ein Ersatzteil bezahlen soll welches offensichtlich Konstruktionsschwächen aufweißt halte ich für genauso inakzeptabel wie die Kommunikation mit dem Kunden. Basically, youre hired to tutor this schoolgirl and get her through her exam (coming in a week) as best you can. I ordered two pair different colors to be sure I have them when one wears out I think the one downfall of these headphones is the size of the controls. A mi hija le encantaron.