Features: The 3.5 mm plug is plugged into the headphone jack. AUX can transfer music to a car via a mobile phone and play music through the car. Car radio has no functional limitations, allowing you to connect external audio sources. Pair your phone with our module and select Aux from the radio. You can enjoy the music in your phone through the car speakers. This item is for any phone or tablet (make sure your phone or tablet has Bluetooth). Bluetooth version 4.0, compatible with 2.0, 3.0, 4.0 Bluetooth, can support commonly used MP3 format audio. It also supports high-quality audio format decoding such as WMA WAV FLAC, which supports DSD high-capacity transmission. Installation is very simple. Stable transmission. Specification:Condition: Brand NewColor: BlackMaterial: PlasticWiring: Red-Positive, Black-NegativeFitment:Fit for C2 2005 + fit for Blaupunkt/VDO/fit for RD4Fit for C3 2005 + fit for Blaupunkt/VDO/fit for RD4Fit for C4 2005 + fit for Blaupunkt/VDO/fit for RD4Fit for C5 2004 + fit for Blaupunkt/VDO/fit for RD4Fit for C6 2005 + fit for Blaupunkt/VDO/fit for RD4Fit for C8 2004 + fit for Blaupunkt/VDO/fit for RD4Fit for Berlingo 2005 + fit for Blaupunkt/VDO/fit for RD4Fit for Jumpy 2007 + fit for Blaupunkt/VDO/fit for RD4Fit for Synergie 2005 + fit for Blaupunkt/VDO/fit for RD4Fit for Expert 2007 + fit for Blaupunkt/VDO/fit for RD4Fit for 207 2006 + fit for Blaupunkt/VDO/fit for RD4Fit for 307 2005 + fit for Blaupunkt/VDO/fit for RD