Samsung Galaxy Watch4 44mm Bluetooth GPS WiFi NFC Smartwatch Black SM-R870 ECG

Samsung Galaxy Watch4 44mm Black SMR870 | ECG, GPS, NFC, Wi-Fi, Fitness Tracker | Very Neat, Includes Band & Charger Brand: SamsungModel: Galaxy Watch4MPN: SMR870UPC: 400064789031Series: Samsung Galaxy WatchCase Size: 44mmCase Material: AluminumCase Color: BlackBand Color: BlackBand Material: Sport Band (Silicone)Compatible Operating System: Android 6.0+ with 1.5GB RAM+Operating System: Wear OS, Powered by SamsungStorage Capacity: 16GBConnectivity: Bluetooth 5.0, NFC, GPS, WiFiFeatures: ECG, Heart Rate Monitor, SpO2, Body Composition, Stress Tracking, Sleep Tracking, Auto Workout Detection, Advanced Running Metrics, Fall Detection, Call & Text Notifications, Wireless Charging, Customizable Watch Faces, Samsung Pay / NFC paymentsSensors: Accelerometer, Gyro, Compass, Barometer, Optical & Electrical Heart Sensors, Bioelectrical Impedance (BIA)Water Resistance: 5ATM (up to 50m)Condition: Very neat, includes original band & charger in clean condition (see photos)Battery Capacity: 361 mAhCompatible Brands: Samsung / Android DevicesDisplay: 1.4" Super AMOLED, 450x450, Gorilla Glass DX+ Durability: MILSTD810G Compliant