Logitech Bluetooth Music Receiver review: Forget the aux cord, this little box turns any stereo into a wireless music system - CNET
Logitech Audio Adapter 980-000912, Aux Bluetooth Adapter For Car Accessory And Video Cables Cable Electronics Accessories Spare Parts Digital Consumer - Audio & Video Cables - AliExpress
Logitech Bluetooth Audio Adapter V2 (980-000912) - smartshop.hu