1. and high quality 2.Function via Bluetooth-enabled devices 3.No functional limitations of the car radio 4.Allows you to connect an external audio source 5.The Product is specially made according to the car port, a wireless Bluetooth music product suitable for car use. 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. Fitment: For SL 2008 Comand 2.5 Installation: The adapter is connected invisibly to the back of the radio No additional necessary for the power supply It is automatically recognized by the radio as a CD changer, No aux input must be unlocked consuming. colour: black Material: ABS Package Contents: 1 x Audio Cable Adapter 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.