Specifically designed for use with your Phone and Tablet, the Tangle Free Flat Wired Headset integrated voice functionality gives you the freedom of hands-free phone calls. Flat cable prevents any tangles. It features durable metal earbuds, a built-in microphone with power off/on button, and a shirt clip for comfort and ease of use. The Headset use the same speaker technology and sound signature used in professional monitors. Their noise-isolating in ear design sits inside your ear canal to create a seal to the outside world that effectively isolates outside sound. So it s just you and your music in a world of your own. Excellent sound quality and super clear sound. Cord mounted ON/OFF button which lets you take calls and hang up easily.