Waterproof Cell Phone Case Headphone Adapter for Redpepper Case Black (iphone 5/5S) Waterproof Cell Phone Case Headphone Adapter for Redpepper Case 3.5mm male to female headphone adapter cord for waterproof cases Yellow seal ring to prevent water (do not use without) Dust plug screw on to seal (do not over tighten or plastic plug or case housing may crack) Talk or listen to music/video on (your phone in waterproof case) without worry of water damage