Active-Sport Earbud Headphones with Ergonomic Wrap-Aound Design and Microphone for Cellphones, MP3 Players & Tablets In-ear flexible, ergonomic neckband-style headset is lightweight and comfortable and perfect for exercising , hiking , biking , and everyday use! Tangle-free flat cord design eliminates cable kinks and tangles while you are working out or On-the-Go In-line microphone and multi-function button allow for handsfree calling Multi-function button also allows you to play and pause your favorite audio tracks Completely sweat-proof construction and included 2 ft. audio extension cable perfect for active listeners