About this item Built-in Microphone - Multi-function Button6 Pairs upgraded volume-adjustable headphones, built-in HD microphone and power button function that allows you to answer/hang up/play/pause/next/previous song by controlling the earbud buttons without picking up the phone, which makes it more convenient to use fast. Excellent Stereo allowing AudioExcellent stereo earbuds provide excellent sound input and output quality, allowing you to enjoy comfort while still having the enjoyable listening experience possible! The solid sound insulation material design can reduce external noise while minimizing the sound leakage, providing you with a clear sound. Meet The Ergonomics DesignSuper comfortable the ergonomic in-ear design can maintain a firm fit every time, ensuring proper fit and extra comfort. Meticulous DesignThe in-ear earphones are lightweight, cables are not knotted, they can be easily put into pocket, different colors give them more personality and versatility, the use of