Choose long hours of playtime with Form-Fit™ Earcups that are ergonomically shaped to the natural outline of your ear to listen all-day. Take calls, control your music, and bump your sound with the tangle-free cable and C3 Sound for crystal clear clarity to talk, listen, and play as you GO. Play, pause, and change tracks with built-in button for easy on-the-go use. Answer and hang up phone calls with the built-in microphone.