Power supply: Auto-switching 100-240 V, 50-60 Hz AC universal input.
Ethernet port: One 10/100 Mbps Ethernet port. Wire directly to your router to operate your Sonos if WiFi is unstable.
WiFi: Connects to your home Wi-Fi network with any 802.11 b/g/n router. 802.11n only network configurations are not supported—you can either change the router settings to 802.11 b/g/n or connect a Sonos product to your router.
Apple AirPlay 2 compatible: Works with Apple AirPlay 2 on Apple devices [iOS 11.4 and higher]