Guys, I've been searching for a something that does the job for 2 years now. Found something and it works !!!!
https://www.amazon.co.uk/FIREFLY-Smallest-Bluetooth-Receiver-Streaming-Sunrise-Gold-Car-Pack/dp/B01HXXJQ3S/ref=sr_1_2?ie=UTF8&qid=1508525274&sr=8-2&keywords=tunai+firefly
Tiny...