Confirmed: Sonos Lock Screen control. Started the playlist on my Move with “Hey Sonos” “Play Favorites” and control appeared in my iPhone 13 Pro running iOS 16 : r/sonos
Turn an old iPhone into a Sonos remote | Sonos Community
Port: A WiFi Network Streamer with Built-in DAC | Sonos
You can now control Sonos playback from your iPhone's lock screen | iMore