AMI Bluetooth For Audi MMI 3G A3 S3 A4 S3 RS4 A5 S5 MDI BT Music Interface Cable
This adapter isonly compatible withAudi vehicles equipped with MMI 3G Low or MMI 3G Plus systems. Compatible with MMI 3G Low & Plus Systems Only MMI 3G High. MDI (Multi Device Interface). MMI 3G+ (A1): PressBACK + TONE.