Aux-in Jack for VDO RD3-00 Car Radio (Peugeot, Citroen) : 5 Steps - Instructables
Za Peugeot i Citroen rd3 radio AUX USB MicroSD adapter
Bluetooth USB AUX Music for Peugeot Citroen RD3 RADIO - AliExpress
iPod CD changer adapter, VW iPod, Apple Carplay, Android Auto Music Link are available at xCarLink – the best place for all of your iPod car linking needs.
Yatour Vcarlink Car radio MP3 interfaces player for Peugeot/ Citroen RD3>Car audio USB/SD/AUX/Bluetoot kit