Bluetooth 5.0 Adapter Aux Alpine IDA-X301 IDA-X301RR IDA-X303 IDA-X305 IDA-X305S | eBay
Alpine iDA-X301 Cd Car Radio Stereo Face Only - JT Audio
Car Bluetooth Module Music Adapter Aux Audio Cable for Alpine CDE-W203Ri IDA X303 X305 X301 KCE-237B - AliExpress
3.5mm AUX Interface Cable Adapter for Alpine iDA-X303 iDA-X301 DVA-9861/Ri | eBay
vhbw AUX Line In Adapter Cable Car Radio compatible with Alpine CDE-111R/RM, CDE-112Ri, CDE-113BT, CDE-114BTi, CDE-W203Ri, IDA-X301 - USB Plug: Amazon.co.uk: Electronics & Photo
Amazon.com: Terisass Alpine Bluetooth Adapter-Alpine Bluetooth Adapter - Car Bluetooth Adapter AUX for Audi o Cable for KCE 8209 237B Wireless for Audi o Cable Fit for Alpine CDE 8209,W203Ri IDA X303