Retro handset for Apple iPhone4s 3.5mm cable end handset 1.Retro telephone for you cellphone 2.Rubber oil finish Retro Handset for iPhone4sModel:Rphone-013.5mm cable end handset1.Retro telephone for you cellphone2.Volumn control button so you can adjust the volumn on your phone 3.Touch button for easy answer and hang up4.Rubber oil finish