As with any sound gadgets/appliances i.e home theaters, subwoofers, earpieces, earbuds and airpods, their beauty and efficiency lie in the quality of the sound output. by "sound output" we mean "super surround bass blast" and that is the quality of sound output you get when you buy our airpods with superbass boost and a 13mm moving coil. it's not about just playing music in your ear, a quality airpod should above other feature have a superbass sound with double graphene composite diaphragm, 5.2blueetooth version, noise cancellation, low latency, open lid connection, touch control, apple siri, -32db+3db sensitivity, a 33-100^ impedance range, microphone sensitivity 109db+3db, 58db signal to noise ratio, super surround bass, 20-2000hz and a type-c charging.