i made this adapter to fit the usb and aux combo i ordered from Aliexpress
you can use this to plug into your head unit (an android head unit in my case)
you can find the usb and aux combo here: https://nl.aliexpress.com/item/Onever-USB-3-5mm-Plug-Car-Dashboard-Flush-Mount-AUX-Extension-Cable-Adapter-for-Volkswagen-Toyota/32829590337.html?spm=a2g0z.search0104.3.29.234e443629W55g&ws_ab_test=searchweb0_0,searchweb201602_1_10152_10151_10065_10344_10068_10342_10343_10340_10341_10084_10083_10618_10630_10304_10307_10302_5711211_10313_10059_5722311_10534_100031_10103_10627_10626_10624_10623_10622_10621_10620_5711311_10142,searchweb201603_1,ppcSwitch_5&algo_expid=a78ffc88-b9b3-4941-9197-63445393af91-4&algo_pvid=a78ffc88-b9b3-4941-9197-63445393af91&transAbTest=ae803_3&priceBeautifyAB=0