Function via Bluetooth-enabled devices No functional limitations of the car radio Allows you to connect an external audio source With the improvement of wireless technology and the subsequent wireless transmission is the trend of 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. Applicable Car Models Allows you to stream your music via the bluetooth function of the smartphone to your car stereo in conjunction with AUX. Compatible for : for C30 year 2006-2012 for C70 year 2005-2013 for S40 year 2004-2012 for S60 year 2004-2019 for S80 year 2006-2016 for V50 year 2004-2012 for V70 . 2007-2016 for XC70 year 2007-2016 for XC90 . 2006-2014 colour:As Shown Material:ABS Package Contents: 1 set x aux bluetooth adapter Only the above package content, other products are not included. Note: Light reflection 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.