Bluetooth Adapter Aux Amplifier+Filter for VW Radio Mcd Mfd 2 3 RNS2Bluetooth AUX IN adapter amplifier + noise filter for VW Radio's MCD MFD2 MFD3 RNS2 Bluetooth AUX IN adapter cable Amplifier + noise filterSuitable for VW Radio's MCD MFD2 MFD3 RNS2 with Aux output. This AUX IN Bluetooth adapter gives you the option of streaming music from your external device, such as your smartphone or tablet, via the car radio. Thanks to the simple plug & play installation, you can get started straight away via the Bluetooth