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The second-era Apple Watch SE was launched in September 2022, two years after the original mannequin was announced. The cheaper Apple Watch SE offers the important thing options of the dearer Apple Watch, resembling heart-fee monitoring, irregular coronary heart price notifications, workout modes, sleep monitoring, water-resistance, and Emergency SOS, all for a starting price of $249. Unfortunately, like the unique Apple Watch SE, the second-technology mannequin doesn't feature blood oxygen (SpO2) monitoring. Although the Watch SE 2 brings new options reminiscent of Crash Detection and a extra powerful S8 chip, Apple didn't embody a pulse oximeter on the smartwatch. It is a stunning omission, on condition that SpO2 sensors are broadly available as of late, both on premium smartwatches and cheaper fitness trackers. Pulse oximeters became frequent on wearables throughout the COVID-19 pandemic, as low blood oxygen levels were a symptom of the virus. While some wearables supply solely spot checks, others, like the Apple Watch Series 8 and Apple Watch Ultra, assist all-day background monitoring, together with throughout sleep.
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發表於 2025-10-21 03:35:23