Features: 1.Ideal Fitment: Replacement for A3 TT A4 S4 A6 A8 A8L 2007?2014, please double check your radio before order to make sure perfect match. 2.Easy to Use: Pair your devices with buletooth module, and select Aux from your radio, then you can use your devices to play music through car speakers. 3.Music Play: You can hear music from your phone, pad and mp3 which have blueooth function, bring more fun to your daily driving. 4.Bluetooth Version: Bluetooth 5 version and support 4.0, 3.0, 2.0, 5.0 to make sure stable connection and clear sound. 5.Plug and Play: Professionally designed according to the factory standard, plug and play without causing any damage, durable in use. Specification: Item Type: Bluetooth AUX in Cable Material: ABS Bluetooth Version: Bluetooth 5 version and support 4.0, 3.0, 2.0, 5.0 Fitment: Replacement for A3 TT A4 S4 A6 A8 A8L 2007-2014. Please double check your radio before order. PackageList: 1 x Bluetooth AUX in Cable 1 x Microphone 1 x Accessory