The Sennheiser CX 400-B is a tall quality, receptive to advice isolating in-ear headphone with powerful, bass-driven stereo receptive to advice for listening on a go. They underline a reduced cable, undiluted for make use of with armband MP3 players or with a remote-control. With a enclosed 3-foot prolongation wire a CX 400-B can additionally be used with a player carried in your pocket.

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