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 mission is the trend of the times 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 audio format decoding, non-general ordinary Bluetooth function, can support DSD Large-capacity mission, stable data fer 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 Volvo C30 year 2006-2012 for Volvo C70 year 2005-2013 for Volvo S40 year 2004-2012 for Volvo S60 year 2004-2019 for Volvo S80 year 2006-2016 for Volvo V50 year 2004-2012 for Volvo V70 Bj. 2007-2016 for Volvo XC70 year 2007-2016 for Volvo XC90 Bj. 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.