The F15S is a new cheaper smartwatch from China. The wearable has various health tracking features, including heart rate, blood pressure and skin temperature sensors. The device has a 1.75-in touchscreen and can be controlled using voice commands. You can connect the watch to iOS and Android devices, enabling a Bluetooth calling function.https://www.notebookcheck.net/F15S-low-cost-smartwatch-arrives-with-temperature-and-blood-pressure-sensors.639563.0.html
It would be interesting to know if this health checks are reliable.