Samsung SM-R870NZSAXAA Samsung Galaxy Watch4 1.4"" OLED 44 mm Digital 450 x 450 pixels Touchscreen Black Wi-Fi GPS (satellite)

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BODY COMPOSITIONDon't just listento your body.Know it.Track your fitness progress with our first smartwatch that conveniently measures body composition. Get to know your body fat percentage, skeletal muscle, body water and more to achieve your goals. The Samsung BioActive Sensor and our fastest chip brings the biggest innovation to Galaxy Watch yet. Get a BIA measurement using just two fingers in 15 seconds. Anytime, anywhere.The new Samsung BioActive Sensor captures your body composition in real time to inform you as you manage your health goals.GROUP CHALLENGEYour workout buddies haveyour backEnjoy every step you take with your friends and family with the Galaxy Watch4. Track your steps and compete with friends in a fun competition through a live message board. Challenges come with commemorative badges and a point system to make exercise fun, motivating and socially rewarding.DAILY ACTIVITY & FITNESS TRACKINGName a workout. It can track it.Track your activities and fitness scores on your watch and phone. Count steps, check calories and stay on the grid with GPS. Galaxy Watch4 detects physical activity to track your routines and supports more than 90 exercises for a more accurate report of your workouts.BLOOD PRESSURE & ECGAll the data your heart desiresMeet the Samsung BioActive Sensor that measures ECG and blood pressure in real time. After initial calibration, the sensors quickly check your blood pressure. You can also check abnormal heart rate and rhythm through ECG and send data straight to your phone to be easily shared.Measure blood pressure using an Optical Heart Rate Sensor known as the PPG Sensor.Measure ECG using an Electrical Heart Sensor.ADVANCED SLEEPThe most holistic sleep analysis on Galaxy watchThe sleep tracker detects and holistically analyses your sleep stages while you rest. Improved measuring options let you check your blood oxygen levels and snoring patterns (not saying you do). Plus, get advanced insights from the National Sleep Foundation for better sleep quality and duration.DESIGNSleek, seamless, iconicGalaxy Watch4 features a simple design with a streamlined Armour Aluminium metal frame. It offers high-end looks and functionality for your workouts and day-to-day tasks.Choose from a selection of bands, including the Hybrid Leather Band and the Sport Band, to fashion your own band style. Treat your wrist with high-quality materials, comfort fit and sweat-resistant surfaces.WATCH FACEA new day. A new watch face.Choose between analogue or digital watch faces with a variety of backgrounds, fonts and colours to match your tastes, the weather or the occasion. Spice up your character watch faces with AR Emojis to express your style, while animated graphics show what you're up to, like running or listening to music.NEW OPERATING SYSTEMIt's a real team playerThe first smartwatch with Wear OS Powered by Samsung, Galaxy Watch4 puts seamless access to your favourite apps on your wrist. You'll get a rich app selection, from music streaming apps to anything in the massive library of health and fitness apps.COMPATIBILITYPlays well with othersThe Galaxy Watch4 comes with Wear OS Powered by Samsung, giving you seamless connection with Samsung Galaxy devices. Control ANC on Galaxy Buds2 or enable apps on your phone straight from your watch. Additional features like the compass makes the Galaxy Watch4 even more resourceful.