I have been using Esinkin Bluetooth adapters for years they are $20.00 from Amazon.
they have RCA outs and a 1/8" aux in. I have been very happy with them.
They pair very easy and reliably,
Worked with my Dad at Toledo Optical Labs
Painting numbers on wooden trays during the school year and Polishing lens during the Summer.
started out $1.65 an hour and was making $3.20 an hour when I left for bigger things.
Sad news.
I met Toby about ten years ago. He was attending concert at Pine Knob in Michigan,
He was a nice guy we talked for a while while were in the Beer line. He was even nice enough take a picture with Him.
God rest his soul.