3.5mm Male TO 2.5mm Female Stereo Headphone Jack Adapter For iPhone 5 4S, iPad Mini , iPad 4, iPod, iPad 3 generation 24k gold-plated contacts resist corrosion and maximize signal integrity. Converts your 3.5mm stereo headset to a 2.5mm jack stereo headset. Dual balanced conductors deliver more natural, balanced digital music reproduction.