Premium Shielded OFC Cable 3.5mm Jack to Twin RCA Male 2 x Phono Plug Audio Lead

These are stereo audio cables, for transferring data (music) from digital devices to a receiver. The headphones are just another form of speaker. The two RCA connections, which are also known as Phono, or, Coaxial (coax for short) are colour coded; Red (Right Channel) and White (Left Channel) for stereo output sound.