Samsung Galaxy Watch 4 40mm Smartwatch with ECG Monitor Tracker for Health Fitness Running Sleep Cycles GPS Fall Detection LTE US Version, Black (Renewed)

Amazon.com Price: $99.88 (as of 27/11/2023 23:45 PST- Details)

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1.2 “(30.2mm) Super AMOLED, 396 x 396 pixels (~330 ppi density), 16M Colors, CPU: Dual-Core 1.15GHz, 247mAh Battery, Android Wear OS, One UI Watch 3, Bluetooth, Wi-Fi
The Galaxy Watch4 uses red LEDs and infrared rays to calculate your SpO2 levels or the amount of oxygen in your blood.

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