YD ELECTRONICS&reg; Headphone Adapter with Jack Cover for  iPad 2/3/4 & AIR 1 n&uuml;&uuml;d Lifeproof Cases Set of 3 - They do not fit AIR 2 (non threaded) n&uuml;&uuml;d cases  - Set of 3 Fits nd Lifeproof Cases for iPad 2/3/4 & AIR 1 - They do not fit AIR 2 Nd (non threaded jack ) Lifeproof Cases YD ELECTRONICS brand not OEM. All metal parts are Nickel Alloy for better corrosion resistance. Fulfilled by Amazon. We are not drop shippers. Nitrile black O-ring to guarantee waterproofing.ABS Plastic Resin body for durability.