YD ELECTRONICS&reg; Headphone Adapter with Jack Cover by for Samsung Galaxy III and 4 Lifeproof&reg; Cases with threaded jack - Set of 3- They DO NOT FIT non threaded jack cases Perfect replacement for your damaged or lost headphone adapters. ABS resin plastic parts for durability. Nickel Alloy metal parts for a superior corrosion and tarnish resistance. Black Nitrile O-rings to guarantee waterproofing. YD ELECTRONICS brand not OEM.