jw944ts
That thing is only a BT digital receiver. If you use a phone, the phone is the streamer. If you have a true streamer your phone is a only a remote. You can then play internet streaming radio, services like Spotify & Qobuz and local files via USB-A. Once a program is set it will continue to play without a phone via connection to your WiFi network. Start with a BluNode combo or a digi streamer and DAC. Bluetooth is not for me except wireless headphones for TV & jets.