One of the first third-party headphones to support all of Apple's in-line remote control features, accommodating microphone input as well as playback functions. Made for music-loving, multi-tasking iPhone and iPod users, the Image S4i in-ear headset will rock your world and simplify your life. It’s a breakthrough product that lets you enjoy superior sound, control your music library, as well as answer and end calls without skipping a beat.