Function via Bluetooth-enabled devices, No functional limitations of the car radio. Allows you to an external audio sourceThe Product is specially made according to the car port, a wireless Bluetooth music product suitable for car .Adopt Bluetooth 5.0 protocol, backward with 2.0 3.0 4.0 other versions of Bluetooth protocol, can support common MP3 audio, also support for WMA, for WAV, for FLAC, and other high-quality audio decoding, non-general ordinary Bluetooth function, can support DSD -capacity transmission, stable data transfer between devices, fidelity, designed for music enthusiasts.Installation:The adapter is connected invisibly to the back of the radioNo additional cabling necessary for the supplyIt is automatically recognized by the radio as a CD changer,No aux input must be unlocked consuming.Fitment:for Opel Agila 2000-2007for Opel Antara From 2006for Opel H From 2004for Opel Combo 2003-2010for Opel Corsa 2003-2006for Opel Corsa From 2006for Opel Meriva From 2005for Opel Movano from 08 or 2006for Opel From 2003for Opel Tigra Twintop From 03 or 2005for Opel Vectra C (from 2005)for Opel Vivaro from 08 or 2006for Opel Zafira from 07 or 2005 with the following radio or navigation systems ( with AUX function ) :CD30 MP3CDC40CD70 NAVIDVD90 NAVIColour:blackMaterial:ABSPackage Contents:1 x Audio Cable Adapter1 x Bluetooth microphone1 x Disassembly toolOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.