3.5mm 4 Conductor TRRS Male to 3RCA Female, Nickel Plated, 6in.
This A/V RCA Cable for Raspberry Pi is a great way to turn your Pi 4, 3, 2, A+ or B+'s output into a full composite video and audio device. Simply connect the cable to your Raspberry Pi's 3.5mm jack and the other side into whatever device you're looking to connect to and get full RCA visuals and sound.
Yellow's for composite video while red and white are for stereo audio.