General Gold Plated Replacement Headphone Wires Adapter for iPhone 4 4S Waterproof Case Headphone adapter compatible with the Iphone 4 4S Waterproof Case Perfect replacement or Backup for lost or damaged Headphone wire Headphone Adapter Wire Adapter Only( Waterproof Case Not Include) Audio Port can be used to connect headphones for music streaming Premium connectors for optimal sound and corrosion resistance