Audio AUX Cable Adapter Bluetooth External MIC For CD30 CDC40 CD70 DVD90 100% new and high quality The product supports efficient music transmission, version 5.0, compatible with the following versions If the call comes, you can answer the call, the sound effect is clear. Just plug the connector into the socket back of your radio (Nondestructive installation plug) You can just Insert this item to the back radio then Connect the red wire to 12V, the black wire to 12V-. Match your phone or pad to bluetooth module. And Choose Aux from your radio, then you can use your phone to through car speakers. You can hear music from your phone / pad / mp3 (They should have blueooth function). Bluetooth version:5.0 (compatible with the following versions) Product voltage:5-12V Compatible with manufacturer / model: Flat pin connection To the device with 40pin flat pin connector. For Agila A from 2004 For from year 2006 For H from 2004 For Combo C from 2004 For Corsa C from 2004 For Corsa D from 2006