Smartwatches are growing ever more capable by the day. Sometimes, though, there's no harm in a little focus. Enter Emvio, a watch with one core goal: to help you manage stress. There are no message notifications or apps, instead, Emvio monitors variations in your heart rate (HRV), only bothering you (ironically) once your stress levels start to rise. Your daily data is also fed to an app which can help you spot trends or individual stress triggering events, helping you better plan to manage them in the future. Can a single-focus connected watch cut it against growing competition? Its creators certainly think so, and they're hoping enough people on Kickstarter will, too.