· Turns your existing stereo system into a smart system
· Stream Hi-Res audio up to 192 kHz/24 bit.
· Built-in 2.4G/5G WiFi, wirelessly stream lossless audio
· Multi-Room, synchronized audio experience Group WiiM 
  Mini with AirPlay 2 speakers, Alexa devices, or another 
  WiiM Minis
· WiiM Home app for Android and iOS
· Chromecast Audio & Works with Google. WiiM Pro lets you 
  stream music, TV audio, radio station, podcast and local 
  content from any Chromecast-enabled apps to one or 
  multiple audio devices at the same time
· AirPlay 2 - Stream audio from your iPhone or Mac computer 
  to one or multiple audio devices at the same time.
· Spotify Connect - Use your Spotify app as your remote to 
  control music playback to your WiiM Mini
· Works with Siri and Alexa or Tidal Connect 
· Audio Output/Audio Input: Line out, digital Coaxial Out, 
  digital Optical SPDIF Out/Line In, digital Optical SPDIF In, 
  Bluetooth 5.0, Ethernet (100m)