Adafruit A/V and RCA (Composite Video, Audio) Cable for Raspberry Pi [ADA2881]
This A/V RCA Cable for Raspberry Pi is a great way to turn your Pi 3, 2, A+ or B+'s output into a full on 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.
We're big fans of RCA connectors. They're one of our favorite plugs that everyone has a fond memory of using. Yellow's for composite video while red and white are for stereo audio. The cable is around 5 feet long.
This cable has the right wiring so you can get composite video out - e.g. The TRRS corresponds to left, right, ground, video.