Peugeot Citroen RD4 RT3 Can-bus Car Bluetooth Adapter, Digital Car Stereo Aux Adapter Hands-free Call with USB Charging and 3.5mm Audio Music Input for Peugeot 2004+, Citroen 2005+ (BTA-RD4) : Amazon.se: Electronics
Biurlink 40Pin Quadlock Fakra Car Stereo RD4 Headunit Full Harness Cable Bluetooth Microphone AUX IN Ca for For Peugeot Citroen - AliExpress