These Monoprice earphones are just the thing you need to swing to your favorite tunes!The noise-isolation design ensures that you won't be bothered by the outside world while listening to your favorite music9.2 mm driver and 98 dB sensitivity ensure loud clear musical reproduction from your iPod or other portable music deviceThe earphones have a 47" cord with a gold-plated 3.5 mm stereo plug, which will fit most devices.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.