AAC (primary)
https://ice.ether.esr.li/esr-ch1.aacMP3 (fallback)
https://ice.ether.esr.li/esr-ch1.mp3AAC (esr-ch1.aac): better audio quality at the same bitrate and more efficient. Use this for modern browsers (Chrome, Firefox, Edge, Safari), iOS and Android native players, and current hardware.
MP3 (esr-ch1.mp3): maximum compatibility with older players, legacy hardware, some smart speakers, and software that cannot decode AAC. Use this only if AAC does not play.
To cast: open the stream URL in a Cast-enabled app (like VLC or Chrome) and cast to your device.
Pair your Bluetooth speaker in your device settings, then play the stream above and route audio to your speaker.