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 Apple Watches series 8 start at $399.
Pre Order  September 7
Shipping  September 16

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The most significant upgrade this year is the wrist temperature sensor, which not only measures

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users' wrist temperatures but also aids in cycle tracking and adds another health parameter.

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The sensor can be used to more precisely track periods or estimate ovulation for family planning purposes.

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According to Apple, all cycle monitoring data is encrypted and remains locked on your device.

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Additionally, the accelerometer and gyroscope are used for crash detection.

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an always-on display that changes its brightness according on the lighting.

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Additionally, it has sensors for measuring heart rate, blood oxygen levels,

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and an electrocardiogram that allows you to monitor your heart activity right from your wrist.

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The Series 8's battery life is sufficient for a full day of operation.

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