The Withings ScanWatch 2 is the company's most advanced hybrid smartwatch yet, in part thanks to its bevvy of health monitoring features. Not only can the ScanWatch 2 monitor your skin temperature, but it can also take ECGs and will last upwards of a month between charges.https://www.notebookcheck.net/Withings-ScanWatch-2-unveiled-with-ECG-skin-temperature-sensor-and-up-to-30-days-of-battery-life.745775.0.html
Well, their previous model was pretty abysmal when it comes to accuracy of measurement of pretty much everything, so I am very cautious and will wait for proper measurements to be made before I even consider this one.