The Motorola wired in ear headphones feature an in-line mic which make them not only perfect for listening to your favourite music but also perfect for use with a mobile device, enabling you to use your mobile phone hands-free. Thanks to the passive noise reduction which is achieved via in ear gels, you are always guaranteed high quality sound without background noise interfering. This also adds to making the EARBUDS2-BK perfect for making calls as you will always be able to hear voices clearly.