Thank you for pointing out that device. I believe you are correct. I was only able to find a listing on Amazon for a used one of the M3K devices. Also found a

Thank you for pointing out that device. I believe you are correct. I was only able to find a listing on Amazon for a used one of the M3K devices. Also found a listing on ebay. I need a device with Bluetooth as my car doesn't have an auxiliary jack. Suppose that I could also make use of an low power FM transmitter also.