Available on the Apple Watch Series 4-10 and Ultra 1/2, ECG readings allow users to receive medical-grade, FDA-approved insights into their heart rhythm. The 30-second test can help detect a ...
The Apple Watch also includes a gyroscope, accelerometer, and ambient light sensor alongside its rear heart rate sensor. All models include 802.11n Wi-Fi support, as well as Bluetooth 4.2 ...
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