1. Great for connecting portable audio devices, such as a Smartphone (iPhone), MP3 player (iPod) or tablet (iPad) to a stereo receiver, speaker or other RCA-enabled device.2. Copper and gold plated plugs ensure optimal signal stereo audio transmission and corrosion resistance.3. Professional quality 24k gold plated connectors which protect the cables from corrosion while ensuring a premium connection for the best possible audio transfer year after year.4. 3.5mm MP3 iPhone to RCA Audio cable is compatible with iPhone, iPod, iPad, tablets including Google Nexus, Samsung, MP3 players, CD players, laptops, tablets and any other digital device with a 3.5mm audio jack, And home audio systems, like amplifier or receiver with RCA (RCA white/left and red/right sockets) jacks for audio inputs.