ELI5: Explain Like I'm 5

CEA-909

Okay kiddo, have you ever heard of a phone jack? It's a little hole in the wall where you can plug in your phone to make a call.

Well, cea-909 is a special type of phone jack that's used for something called a "hands-free system" in cars. That means you can talk on the phone while driving without actually holding the phone up to your ear. It's safer that way because your hands can stay on the steering wheel.

The cea-909 jack is usually located somewhere in the car, like the center console or the armrest. When you plug in your phone, it can automatically connect to the car's speaker system so you can hear the other person talking.

Some newer cars don't even need the cea-909 jack anymore because they have wireless technology built in. But for older cars, it's a handy little thing to have for safe and easy phone conversations while driving. Cool, huh?