Assertion: headphone's pad | /r/CapableOf | cup insulated shell of plastic
Facets:
Source sentences:
text: Note, we’re not talking about active-noise-canceling technology (although there are plenty of closed-headphones that have that feature), but just the very physical structure of the closed-back over-the-head design: there’s a big pad that cups your ear and an insulated shell of plastic that covers your ears.