The Kram 86173 Opel Insignia 2008- ISO2CAR mute-adapter is a Bluetooth hands-free car kit designed to integrate seamlessly with the basic sound system of compatible vehicles. manufactured by Kram, this product allows for easy hands-free calling and music playback while driving. The ISO2CAR mute-adapter provides a simple and convenient solution for upgrading your in-car technology, enhancing both safety and convenience on the road.