Bluetooth 4.1 version, compatible with Bluetooth 4.0, 3.0, and 2.0. Suitable for 159 models (2007 onwards) and Grande Punto (2007 onwards). Plug the 6-pin connector into the socket at the back of your radio. Connect the red wire to 12V+ and the black wire to ground. Pair your phone or tablet with the Bluetooth module and use the Aux input on your radio to play music through your car speakers. Enjoy audio from your phone, tablet, or MP3 player that supports Bluetooth functionality. Note: This adapter is designed for vehicles with compatible radio units; it will not work with radios labeled as 'Tuner List' type. The adapter can still be used if a CD changer is already connected, as it uses a separate socket. Compatibility with specific vehicle years cannot be guaranteed; please verify connector fitment before purchase. Model: B81444 Length: 24cm Material: ABS Color: Black Package Contents: 1 x Bluetooth Adapter AUX Cable Note: Colors may vary slightly due to lighting and monitor display settings. Measurement error allowance is +/- 1-3cm.