But not to wear alll day on concrete floors. Bought this as a replacement for the Soundlink Mini charger because my puppy chewed up the original cord. GOODThe sound is good. When they are dangling around my neck. At 250 ohm impedance they need to be driven otherwise you’ll soon run out of sufficient volume control. Perfette come da descrizione the material was very flexible and detour to my shape no pinching at all. The arches help his feet immensely and relieves his plantar fasciitis pain. It took about a week to clear, but gave immediate relief from the itch and pain. Upon unboxing i picked up the top peice and this is what happened.