Samsung Galaxy Watch4 40mm 4G Smart Watch Fitness Tracker, 3 Year Manufacturer Warranty, Black (UK Version)

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Get to know your body – Track your fitness progress with our first smartwatch that conveniently measures body composition.
Compete with friends and family – 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.
Fitness Tracking – Track your activities and fitness scores on your watch and phone. Count steps, check calories, and stay on the grid with GPS.
Blood Pressure & ECG – The Samsung BioActive Sensor measures ECG and blood pressure in real time. After initial calibration, the sensors quickly check your blood pressure.
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.