The Qsun is a wearable gizmo that tracks UV exposure so you can avoid getting sunburned

The Qsun is a wearable gizmo that tracks UV exposure so you can avoid getting sunburnedhttps://www.digitaltrends.com/cool-tech/qsun-sun-tracking-wearable/
https://www.worlds50.com/2018/03/the-qsun-is-wearable-gizmo-that-tracks.html