If you are having a rough day, Doppel wearable is exactly what you need. The wristwatch lookalike made its debut at the ongoing CES 2019 in Los Angeles.
CES 2019: This minimal wearable is a wristwatch that helps you relax
The Doppel wearable is unlike other wrist wearables. It doesn't show you the time or disturb you with pesky notifications. Instead, its whole purpose is to calm you down with slight vibrations in the same rhythm as a heartbeat, Engadget reported.