GoodBZ 3.5mm Retractable Style Metal Car Earbuds Headsets Headphones and In-Line Microphone and Clip Hands Free Mobile Phone Use,Black Retractable design will convenient for the car user Excellent sound quality and super clear sound High quality hands-free stereo headset with microphone for most of cellphone smartphones like Samsung HTC Apple iPhone etc. With one press you can answer your call immediately (very convenient while you are listening to your favorite music); once the call hang up, your favorite music will come up again automatically and you don't need to touch anything 3.6" total expanded length