1.2 "(30.5mm) w/ Rotating Bezel, 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 Classic uses red LEDs and infrared rays to calculate your SpO2 levels or the amount of oxygen in your blood.,Glass front (Gorilla Glass DX+), MIL-STD-810G compliant, 50m water-resistant (IP68), Compatible with standard 20mm straps, ECG certified, Blood pressure monitor,5 ATM / IP68 The water and dust resistance rating, Military-grade durability, Larger screen but lighter and thinner for more comfort.,Compatible with Android Phones Running Android 6.0 and Above. NOT compatible with iOS.
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