ElectronicsUsed#smart ring#wearable#health tracking#sleep monitor#heart rate#stress monitor#blood oxygen
Smart Ring for Sale – Sleep/Step/Heart Rate/Stress/Blood Oxygen Monitor – 22mm Inner Diameter – 400,000 VND
₫400,000
2 months ago
Description
Smart ring with inner diameter 22 mm. Tracks sleep, steps, heart rate (Чсс), stress level, and blood oxygen. Includes Android app (iOS app not available). Original purchase price 600,000 VND. Selling due to size mismatch.
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