The pair my 6 year old wore last year had been through 3 kids. Buy your own, and if you set them on a 16 inch spacing you may be able to have one side firmly connected to a stud, and the other side using drywall fixings. 3 Stunden und die letzte Stunde gibt der Kopfhörer jede 10-60 Sekunden (Zufall?) 3 Pip Geräusche von sich, die wohl anzeigen sollen, dass die Batterie geladen werden soll. It fits perfect They do fit well inside all my helmets and don?t stick out of my ears at all. Long touch is for previous (left ) or next (right)song. The one thing this product can improve maybe by adding a few more USB ports and have more color changing patterns in the led light. Good, true fit. I bought these for my husband who loves to garden. Great price and it does not wobble.