Sennheiser MOMENTUM Earbud Headphones - Multi

SENNHEISER MOMENTUM Earbud Headphones: Ambient noise attenuation. Dynamic transducers. Custom-machined stainless-steel acoustic pipe. 3-button in-line remote with integrated omnidirectional microphone. 4 ear adapter sizes. 4.3' elliptical cable. Model: M2 IEI.