Bluetooth Receiver, Breett Bluetooth 4.1 Receiver, Multipoint Connection Bluetooth Audio Music Receiver with 3.5mm AUX Port Hands Free Calling for Car Stereo/Home Stereo/Headphone et
Just got it and I love it.  Music sounds great.  I have only done a test call sitting in my car while in the garage but the mic worked great, no echo or feed back.  Very easy to sink to my phone and so far all the functions works.  Best $17 I have spent.  Thought I was going to have to get a custom after market radio to get blue tooth in my car. Again I love it.