Google Nest Protect (2nd Gen) Battery-Powered Smoke and Carbon Monoxide Alarm (S3000BWES) White Nest Tests itself You’re supposed to

Tests itself You’re supposed to test smoke alarms monthly

it ensures your devices get charged in the shortest time possible

The earbuds also have an Aware Mode with ActiveSense™ technology that allows you to hear your music and your surroundings at the same time

It also features an auto-schedule function

When the battery is running low

Google Nest Protect (2nd Gen) Battery-Powered Smoke and Carbon Monoxide Alarm (S3000BWES) White Nest Tests itself You’re supposed toNest Protect Smoke and Carbon Monoxide Alarm 2nd Generation (Battery): Nest Protect reliably detects and alerts you to the presence of smoke or carbon monoxide in your home. The alarm speaks to you in a calm, clear, human voice, telling you the location of the danger. It also provides smartphone alerts and battery status updates to help protect your home.