Inoltre è appena arrivato il regalo della promozione dopo circa un mese dallacquisto. They had globs of earwax on them. Otherwise it will function as designed Barely scratched the surface of this things capabilities and all this is still early days in its lifespan. its perfectly. I wouldn’t place bands or weights on it. The sound is perfect and it fits my needs very well. So glad I made this purchase. Super narrow and way small I bought these for holiday.