ASleek Premium Stereo Red / Black In-Ear Earphone for iPhone 3GS 4 4S High quality sound earbuds can be used for hands free talking or just used for music/video playback Headset can answer calls, mute microphone all my pressing the button located on the mic Standard 3.5mm plug fits all MP3/Cell Phones with a 3.5mm jack Color: Red/Black Cord length: 47 Inches (1.2 Meters)