It allows you to connect your smartphone (with bluetooth function) to the standard radio via the headphone output. The adapter can be used only if pressing the button (without CD in the reader), the message AUX appears on the radio display. The cable is NOT usable in the presence of a standard navigator or equipment such as the Blue & Me. As you may have read on many forums, pay close attention to the extremely delicate release mechanism of this radio. Using inadequate tools causes damage to the side springs, resulting in the impossibility of removing the radio !! If you have already tried to extract the radio using traditional methods, you may have already damaged the mechanism, so the subsequent use of my keys may not produce results. The bluetooth module is designed for (6+8)Pin AUX IN Socket. You can just insert the (6+8)Pin connector into the socket at the backside of your radio. Then connect the small red wire to ACC 12V+, and the black wire to GND 12V-. Match your phone or mp3 or pad with bluetooth to the module. It is bluetooth 5.0 version, not need password when connecting. Choose AUX from your radio audio source list andthen you can use your phone to through car speakers. Applicable models: This Bluetooth Adapter fits for from 2007 onwards Standard Radios. For up 2007 part number CD MP3 RADIO DON'T fit for up 2007 part number RADIO with BLUE & ME active option. All this stereo type of car compatible have AUX voice function and You can find turning SOURCE () button, please your radiohave AUX function before buying. Plug Type : (6+8)Pin AUX IN Colour:black Material:ABS Package Contents: 1 x Bluetooth adapter 1 x Microphone Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.