?6.6 Feet Long?Upgraded to 6.6 feet long, more convenience and safe when you drive. Noted?Please make sure MI interface exists in your car first, not every car model has a socket. when you connecting, No content is displayed on the head unit screen. It can not be controlled the music from wheel steering. ?Plug & play?supports hot-plugging, After connection is done, turn on car stereo, switch to MEDIA mode manually on car stereo, Then Switch the source to Aux mode (External audio input). ?Widely Compatibility?This Media In MI MDI to Stereo 3.5mm cable work with MP3 players / Cell Phones / Tablets, Any Device with 3.5mm Audio Jack.