Advanced radio replacement interface compatible with over 3000 vehicles 2003 and up. Maestro RR2 offers the same exclusive infotainment retention and exclusive svcreens as the Mestro RR while adding support for additional vehicles and enabling Bluetooth programming directly from your IOS and Android mobile device. Basic radio retention features are also available with non-iDatalink-compatible radios. Some accessories and aftermarket radio are required and sold separately.