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crwdns2933797:0Evan Noronhacrwdnd2933797:0crwdne2933797:0
crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Evan Noronha
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| - | [* black] We turn our attention to the back of the case, where we find a composite cover with hard |
|---|---|
| + | [* black] We turn our attention to the back of the case, where we find a composite cover with hard-coated, optical polymer lenses protecting a set of LEDs and photodiodes. |
| [* black] The specially designed heart rate sensor uses a combination of infrared and visible-light sensors to gauge your heart rate. | |
| - | [* icon_reminder] Unlike the Apple Watch Sport, the back cases of the Apple Watch and the Apple Watch Edition feature a [http://www.precision-ceramics.com/3-reasons-apple-used-zirconia-ceramic-in-the-iwatch/| |
| + | [* icon_reminder] Unlike the Apple Watch Sport, the back cases of the Apple Watch and the Apple Watch Edition feature a [http://www.precision-ceramics.com/3-reasons-apple-used-zirconia-ceramic-in-the-iwatch/|Zirconia ceramic|new_window=true] cover with sapphire lenses. |
| [* black] Opposite the Digital Crown, we find the microphone and speaker ports. |