The Sennheiser CX 5. 00i in-ear headphones have been finely tuned to receive rich, superior bass and clarity. Perfect for use with your iOS device, the CX 5. 00i feature a three button in-line remote with an integrated microphone so you can easily stop your music to take a call, and then switch back at the push of a button. With an elliptical, tangle-free cable, these headphones will make your listening experience totally convenient and hassle-free. The shape and size of the headphones has been optimised to give a perfect fit and long-lasting comfort, and they come with ear adapters in four sizes so you can find the best fit for you. Read more… The adapters also provide effective noise isolation so you'll be able to fully immerse yourself in your music.