brand new and high quality Features: The product supports efficient music transmission, version 5.0, for 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-compatible module. And Choose Aux from your radio, then you can use your phone to for play music through car speakers. You can hear music from your phone / pad / mp3 (They should have blueooth function). Specification: Bluetooth-compatible version: 5.0 (for the following versions) Product voltage: 5-12V Microphone cable length: 1.5 meters (Approx) for manufacturer / model: Flat pin connection To the device with 40pin flat pin connector. For OPEL Agila A from 2004 For OPEL Antara from year 2006 For OPEL Astra H from 2004 For OPEL Combo C from 2004 For OPEL Corsa C from 2004 For OPEL Corsa D from 2006 For OPEL Meriva A from year 2005 For OPEL Movano A from 2006 For OPEL Signum from year 2003 For OPEL Tigra TwinTop from year 2005 For OPEL Vectra C from 2005 For OPEL Vivaro from 2006 For OPEL Zafira B from 2005 Related to the following original radios: CD30 MP3 (only with AUX, see pin assignment on the radio) CDC40 Opera CD60 for Navi DVD90 for Navi Note: Please allow 0-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 x Bluetooth-compatible Adapter 1 x Microphone