LEEWA Car Stereo Audio 3.5mm Male AUX Adapter Cable Fit For Peugeot 307/308/407/408/507 For Citroen C2/C5/C Quatre/Sega/Triumph|aux adapter cable|male auxaux adapter - AliExpress
Bluetooth Aux Audio Music Adapter Connector For Citroen C2 C3 C4 C5 Ds3 Ds4 Peugeot 207 307 407 Blaupunkt/vdo/bosch Rd4 Cd Radio - Cables, Adapters & Sockets - AliExpress
FAQ : 12 : Add iPod or MP3 input to my C4 RD4 radio using the Auxiliary Input Cable 9706AG Kit? - C4 - DS4 Owners
Car Audio Bluetooth 5.0 Receiver Aux Adapter For Peugeot Citroen C2 C5 Rd45 Rd4 Radio Module Bluetooth Aux Cable - Car Audio Accessories/car Stereo Accessories - AliExpress
3.5mm Car Aux Adapter Audio Cable For Peugeot 307 308 407 408 507 For Citroen C2 C5 C4 Rd4 12pin - Cables, Adapters & Sockets - AliExpress
59.1in 5.0 AUX Cable Audio Adapter With Microphone Handsfree Replacement For Citroen C2 C3 C5 C6 C8 - Walmart.com