Here is a sensor that combines with your phone to measure low frequency noises around you that could be affecting your health and sleep. Just plug it into your phone, and the companion app tells you how the sounds in your environment affect you.
More gadgets like this: here
The device helps you find hotspots and local noise sources. It will be compatible with iOS and Android devices. Rumble will start shipping in December.
[Source]
**Disclaimer: Our posts may feature aff links. As an Amazon Associate, we earn from qualifying purchases. Please read our disclaimer on how we fund this site.