Samsung Galaxy Watch 4 40mm - LTE - Aluminum Gold (SM-R865UZDAXAA) Process Type_Intel Core M3 up to 30 hours total

up to 30 hours total with charging case

Ambient Mode™: Blends into the wall while showing decorative content

FeaturesGPSAlways-On Retina display30% larger screen²Swimproof³ECG app¹Electrical and optical heart sensorsBuilt-in compassElevationEmergency SOS⁴Fall detectionS5 SiP with up to 2x faster 64-bit dual-core processor²watchOS 6 with Activity trends

Weight (Approximate): 8

yet so expansive

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