https://www.notebookcheck.net/696-WL21-smartwatch-with-alleged-blood-pressure-sensor-and-Bluetooth-smartphone-controls-available-globally.673511.0.html
696 WL21 smartwatch with alleged blood pressure sensor and Bluetooth smartphone controls available...
696 is now selling the WL21 smartwatch worldwide via AliExpress. The wearable is listed as having heart rate, blood pressure and blood oxygen level sensors....
blood pressure sensor
https://www.gizchina.com/apple/apple-watch-series-8-no-blood-pressure-monitor-or-blood-glucose-sensor
Apple Watch Series 8: no blood pressure monitor or blood glucose sensor
Apple Watch Series 8: no blood pressure monitor or blood glucose sensor. The new smartwatch would have a temperature sensor.
apple watch series 8blood pressure monitor