Samsung Galaxy Watch 4 | 40mm Smart Watch | Fitness Tracker | Bluetooth

The watch that knows you bestMost of us want to know more about ourselves, so we can be the best version of ourselves. That's why we engineered the all-new Galaxy Watch4 to be the companion to your journey towards a healthier you.

Body Composition - Don’t just listen to your body. Know itTrack 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 Challenge - Your workout buddies have your 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 Tracking - Name a workout. It can track itTrack 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 & ECG - All 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.

Blood Pressure Measure Blood Pressure using an Optical Heart Rate Sensor known as the PPG Sensor.

ECG Measure ECG using an Electrical Heart Sensor.

Advanced Sleep - The most holistic sleep analysis on Galaxy watchThe sleep tracker detects and holistically analyzes 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.

Design - Sleek, Seamless, IconicGalaxy Watch4 features a simple design with a streamlined Armor Aluminum metal frame. It offers high-end looks and functionality for your workouts and day-to-day tasks.

Watch Face - A new day. A new watch faceChoose between analog or digital watch faces with a variety of backgrounds, fonts, and colors to match your tastes, the weather, or 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 System - It’s a real team playerThe first smartwatch with Wear OS Powered by Samsung, Galaxy Watch4 puts seamless access to your favorite 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.

Compatibility - Plays 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.