Feature 1Supports bluetooth 5.0, low power consumption, dependable to use. 2Easy to install, just plug and play, no need complicated tools. 3Allows you to hear music from your phone/tablet/mp3 player. 4Used for wireless transmission of music, navigation, for Youtube and phone, etc. 5Button control on radio/steering wheel for easy operation. 6Select play on the radio and it will start playing automatically. If you change it, it will stop playing.Condition: 100% Brand NewItem Type: Audio Adapter Material: ABSColor: As picture shownBluetooth Music Adapter:For wireless transmission of music, navigation announcements, for YouTube and phone calls.Button control on the radio / steering wheel.Playback starts automatically when selected on the radio, stops when changing to e.g. radio.Speakerphone:Answer / end calls using the forward / back button.In radio mode, the CD changer must be selected manually, the call is automatically accepted.Supports up to Bluetooth 5.0 for low power consumptionFitment:Fits for A2 A3 8L 8P A4 B5 B6 B7 A6 8 / 20pinThe interface behind the CD player is 8PIN from 1998 to 2010 A2 A3 8L 8P A4 B5 B6 B7 A6Installation:The adapter is invisibly connected to the back of the radio.No additional wiring for the power supply necessary.The included micro can be optimally placed with a 2.5m cable.The radio automatically recognizes it as a CD changer, no coding required. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Blue Audio Adapter1 x 20Pin Cable2 x Wrench