https://www.cnet.com/news/how-long-can-an-apple-homepod-amazon-echo-google-home-infinite-loop-last/ >So we decided to create an infinite loop, meaning we set up reminders and calendar alerts with the trigger words, like "Hey Google," to set off the smart speakers in a continuous sequence. (You can read more on how we did that here.) >In theory, this would go on for infinity, but we know there's no chance of that happening, thanks to things like Wi-Fi dropping out.