Samsung SM-R870 Galaxy Watch 4 (44 mm) Smart Watch

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+ Key features: - Bluetooth Version: Bluetooth v5.0 - Wi-Fi 802.11 b/g/n 2.4GHz and 5GHz - Case Material: Aluminum - Dimension: Product Weight: 30.3g Size (HxWxD): 44.4mm x 43.3mm x 9.8mm - Display: Main Display Size: 1.36" (450px x 450px), 330ppi Corning® Gorilla® Glass DX+ - OS: Wear OS powered by Samsung - Memory: RAM 1.5GB; ROM 16GB internal storage - User Interface Features: 2 button + digital bezel - Military-grade durability: 5ATM / IP68 / MIL-STD-810G - Battery: 361mAh - Sensors Acc (32g), gyro, barometer, ambient light, compass, optical heart rate sensor (8pd), electrical heart sensor (ECG), BIA Note: * Owing to some Wear OS 3 features require the connected smartphone to feature (GMS) Google Mobile Services; and GMS is not available on iPhones (and Huawei’s new smartphones), the Galaxy Watch 4 series and other Wear OS 3 smartwatches won’t work with the iPhone