Loss of pulse detection uses the watch's existing heart rate sensor and an AI algorithm that processes the data. It should launch by the end of March.

Google received FDA clearance for the Pixel Watch 3's "Loss of Pulse Detection" feature and will be launching it in the U.S. in March.

Google just announced that its “loss of pulse dectection” feature for the Pixel Watch 3 has received FDA clearance and will be available to U.S. users by the end of March. Read on for more on what this feature does,