The Tracks HD by SOL Republic offer an excellent sound experience thanks to the V10 Sound Engine. This Special Edition is dedicated to American swimmer Michael Phelps. With the interchangeable headband, you can easily give the headphones a new style. The cable features a microphone and three buttons, allowing you to control your music playback and take phone calls without having to take your smartphone out of your pocket. The headbands and cables are interchangeable and available in many different colors and designs, so you can quickly and easily change the look of your headphones. The headbands are very durable, particularly flexible, and can be swapped out quickly. The cable is equipped with three buttons that let you adjust the volume, skip to the next or previous song, or pause the music playback. You can also answer and hang up calls – the built-in microphone picks up every word clearly. Control your music playback and take phone calls without needing to take your smartphone out of your pocket.