General description The 4X Car Module Without Bluetooth Music Adapter Aux Receiver Audio Cable is designed for vehicles equipped with an MMI socket. This Bluetooth module allows you to stream audio from your phone, tablet, or MP3 player directly to your car's audio system, providing a seamless listening experience. Technical specifications Bluetooth version: 4.1 Supported Bluetooth profiles: A2DP (audio transmission) Plug and Play MI Stecker Material: Plastic Cable length: 23 cm Compatible with models from 2009 and up, including Class C 2010, E Class (W212/S212), M Class, R Class, S Class, and others with Multimedia Interface (Code 518) Measurement allowed error: +/- 1-3 cm Usage Plug the MMI connector into the socket on the back of your radio. Pair your phone, tablet, or MP3 player with the Bluetooth module (no password needed). Select AUX on your radio to listen to music from your device. Note: Only audio playback is supported; the module cannot be controlled via the steering wheel