I do the same with a Radstone EarStudio ES100: https://earstudio.store/products/es100 https://earstudio.store/products/es100 You can also use it on your deskto

I do the same with a Radstone EarStudio ES100: https://earstudio.store/products/es100 https://earstudio.store/products/es100 You can also use it on your desktop/laptop which may have outdated Bluetooth hardware as a transmitter to your modern Bluetooth headphones.