Griffin TuneBuds Mobile for iPhone 3G, 3GS  (Black) Slim headphone/mic plug connects to your iPhone headphone jack, allowing you to jump between incoming phone calls and listening to music with a press of a button. TuneBuds deliver powerful low-end response and crisp, clear treble, and include three sized pairs of cushioned earpads for a custom fit. High-sensitivity microphone for crystal clear phone conversations. ControlMic button does it all -- Answer calls to your iPhone or send them to voicemail in Phone mode; play, pause and skip through your tunes in Music mode. Earphone cable is sheathed in nylon braiding for strength, good looks and durability.