Name:Bluetooth Music Adapter Type:AUX Audio Input Bluetooth name: AUTOAUX BT Version: 5.0 Applicable model:for A6L 2005-2009 for 2005-2009 for A8/A8L 2003-2009 Attention: 1. The power cable must be connected to the fuse 2. When you can only listen to mono: the two lines AUX-R-IN AUX-R-IN need to be linked together to solve the mono problem 3. When there is no sound after installation: Wrap the AUX-R-IN AUX-R-IN lines with a single touch 4. When the installation encounters automatic shutdown, be sure to go to the fuse position to obtain electricity, otherwise it automatically shut down 5. If you encounter other problems during installation, contact the seller Accessories: AUX cable set, power cable, fiber optic cable, tool pair If you want to play mobile music or modified music from the car audio, you must add a set of audio inputs so that the input audio signal can be directly amplified through the car amplifier, and the sound quality is perfect! Flip FM frequency modulation and launch N streets! Colour:As Shown Material:Plastic Package Contents: 1set x Bluetooth Music Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.