In addition to smoke and carbon monoxide detectors ... Google first promised to bring Nest Protect to the Home app back in 2020. Since the second-generation device went on sale 10 years ago ...
Sound Detection functionality, which requires a Nest Aware subscription, is no longer offered on Google Home Max.
Fadell is the electric CEO of Nest, which makes an Internet connected thermostat and smoke/carbon monoxide detector. Prior to founding Nest, he led Apple's iPod group, and worked on the iPhone.