Feature: 1. Simple to install, just plug and play, no complex tools required. 2. Supports Bluetooth 5.0, low power consumption, reliable to use. 3. Used for wireless transmission of music, navigation, YouTube, and phone calls. 4. Button control compatible with radio and steering wheel for easy operation. 5. Select play on the radio and it will start playing automatically. If switched away, playback stops. Specification: Condition: New Item Type: Audio Adapter Material: ABS Color: As shown in picture Fitment: Fits for A2 1999–2005 Fits for A3 2001–2006 Fits for A4/S4 1998–2006 Fits for A6/S6 2001–2004 Fits for A8/S8 1999–2003 Fits for AllRoad 2000–2005 Fits for TT 1999–2005 Fits for Chorus 1, Chorus 2, Concert 1, Concert 2, Symphony 1, Symphony 2, Navigation Plus 1 (non MMI), Navigation Plus 2 (non MMI), Delta (excluding Delta CC), etc. Note: (1) Before purchasing, please confirm that your CD player interface and product plug are compatible for normal use. (2) Connect the blue connector to the rear interface of the CD player, and connect the small coil to the power cord of the CD player. Package List: 1 x Audio Adapter 1 x 20pin Data Cable 2 x Wrench Note: New and old models of this product may be shipped randomly.