These Monoprice earphones are just the thing you need to swing to your favourite tunes! The noise-isolation design ensures that you won't be bothered by the outside world while listening to your favourite music. The 9.2 mm driver and 98 dB sensitivity ensure loud clear musical reproduction from your iPod or other portable music device. The earphones have a 47" cord with a gold-plated 3.5 mm stereo plug which will fit most devices. If you need a 2.5 mm or 1/4" connexion Monoprice carries adapters which are linked below. The gold-plating on the connector ensures maximum electrical conductivity while reducing the effects of corrosion which can occur with tin- or nickel-plated designs. Attractively featured and attractively priced you can't go wrong with These earphones! Monoprice has everything you need to maximise your music experience! You may also want to consider: Adapter to plug into 2.5 mm stereo audio jacks on newer devices Adapter to plug into older 1/4" stereo equipment jacks Audio extension cables if the cord isn't long enough Headphone splitters and hubs so you can share your music!