How connect my Bose QC 35 II headphones to Rose RS150

Hello,
Why can’t I connect my Bose QC 35 II headphones to Rose RS150 using Bluetooth?
It is paired and appears in the list on the left but the headphones are not receiving any signal, can you do a test with a Bose QC 35 II headphones?

Hello,

Basically, Rose products support Bluetooth reception, but not transmission. However, some customers use a headset using a Bluetooth transceiver connected to the RCA or optical port.

I will be interested in a Bluetooth receiver transmitter for headphones, could someone advise me a model? Thank you!!