Features: Function via Bluetooth-enabled devices No functional limitations of the car radio Allows you to connect an external audio source This cable is with Bluetooth module and microphone. Adopt Bluetooth 5.0 protocol, backward compatible with 2.0 3.0 4.0 other versions of Bluetooth protocol, can support common MP3 format audio, also support for WMA, for WAV, for FLAC, and other high-quality audio format decoding, non-general ordinary Bluetooth function, can support DSD Large-capacity transmission, stable data transfer between devices, fidelity, designed for music enthusiasts. Specification: Item Type:Car Bluetooth 5.0 Aux Cable Material: ABS Colour:Black Fitment: 2004-2010 for (E60): 5-Series: 525i, 525it, 528i, 528it, 530i, 530it, 540i, 540iT & M5 (Sedan and Touring) 2003-2010 for (E63) (E64): 6-Series: 630Ci, 630i, 645ci, 650i, M6 (Coupe and Cabriolet / Convertible) 2002-2008 for (E65) (E66): 735i, 735li, 740i, 740li, 745i, 745li, 750i, 750li, 760i, 760li (and ) for M-ASK, ASK-CD and for 1er Serie (E87, E88, E81, E82), Serie 3 (E90-E91-E92) Package Contents: 1 x Audio Cable Adapter 1 x Bluetooth microphone Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.