설명
A matte-black titanium smart ring for all-day health tracking without a watch. Monitors sleep stages, heart rate, SpO2 and activity, then syncs to an app with simple daily insights.
- Sleep, HR, SpO2 & step tracking
- ~7-day battery, wireless charging
- 5 ATM water resistant
- Titanium, ~4 g
- iOS & Android app
후기
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