Etymotic Research ER6i Isolator Earphones (White) Use with MP3, CD, DVD players and personal computers Lightweight, compact, fits in your pocket; no battery required Highest noise isolation (15 to 35dB) Includes 5 ft. cord with 3.5 mm stereo plug / 1 pair eartips / 1 pair foam eartips / 2 replacement filters / Filter changing tool