Features: 1. Fitment: Replacement for Alfa Romeo 159 Radio models 2007 onwards, replacement for Fiat Grande Punto radio models 2007 onwards. 2. MP3 Format Support: The wireless AUX input cable supports multiple audio formats including MP3, WMA, WAV, and other high-quality audio formats. 3. Operating Process: Pair your phone or tablet with the Bluetooth module, then select AUX on your car radio to play music through the car speakers. 4. Bluetooth 5.0: High-grade Bluetooth audio adapter with Bluetooth 5.0 for fast, stable connection and high-quality sound transmission. 5. Plug and Play: Designed to meet factory specifications for a seamless, damage-free installation. Specification: Item Type: Bluetooth AUX In Cable Material: ABS Bluetooth Version: 5.0 Fitment: Replacement for Alfa Romeo 159 (Radio models 2007 onwards) Replacement for Fiat Grande Punto (Radio models 2007 onwards) Note: 1. Compatible with stereo systems that support external audio input. 2. Works with car radios that support Bluetooth audio streaming. Since the adapter connects directly to the car radio, there is no loss in sound quality. FM modulator type adapters are not included.