Let’s talk about car polishing compounds and go old school and use one of my personal favourites, Farecla G3 Paste....
Caliber USB/SD/Aux FM Tuner Head Unit - Red Screen
Caliber USB/Aux/Bluetoooth Head Unit - 7inch
Co-Pilot Universal Bluetooth - Handsfree Receiver
Co-Pilot Universal DAB Radio - Receiver and Transmitter
Car Stereo - Bluetooth/USB/SD & Aux Input