JBL Google Assistant speakers, Cast enabled and battery powered. : r/Chromecast
JBL Playlist: Wireless Speaker featuring Chromecast built-in and Spotify Connect | JBL Playlist speakers have Chromecast built-in, so you can instantly cast music from your favorite music app, radio, or podcast to
JBL Midrange cast Speakers 325781-001 | eBay
JBL Playlist Wireless Speaker with Chromecast Built-In | Tech Shop