Called the Moodbeam, the device features just two buttons—one for recording whenever you feel happy (yellow) and the other for sad moments (blue). It's the work of a UK based firm, also called Moodbeam.
https://www.techspot.com/news/88321-wristband-friends-family-even-bosses-monitor-mood.html?utm_source=dlvr.it&utm_medium=blogger
https://www.techspot.com/news/88321-wristband-friends-family-even-bosses-monitor-mood.html?utm_source=dlvr.it&utm_medium=blogger