5 ms·Stupid sexy Chromecast. It's good there is no microphone in it like the Nest... or is there?by devoply 7y agoStupid sexy Chromecast. It's good there is no microphone in it like the Nest... or is there?lrem 7y agoHow were they finding the cast in the same room again?pxndx 7y agoDoesn't it emit the tone through the TV while your phone listens?rtkwe 7y agoIIRC it was creating it's own wifi access point your phone scanned for and connected to to configure it. I haven't set one up in a while though so maybe it changed.josteink 7y agoI think there is. For authenticating “near” devices via ultrasound.