Smart patches that can monitor your health are nothing new. We have seen a bunch of exciting versions in the past. Lief is a smart patch that helps you get a handle on your stress. It tracks your HRV, helping you stay in control. The device vibrates on your body to guide your breathing properly. Just 3 minutes of breathing can improve your ability to manage your stress.
Lief has a discreet design and fits the contours of your body. It measures heart rate, breathing speed, and breath consistency, It also serves as a motion tracker. The companion app records and visualizes your data. Yet another interesting Kickstarter project.