Samsung Galaxy Watch4, 40mm, Black, Bluetooth, Accelerometer, Gyro Sensor, Barometer, Ambient Light Sensor, Digital Compass, Optical Heart Rate Sensor, Electrical Heart Sensor, Text Messaging, Music Player, Heart Rate, Calories Burned, 16 GB

The watch that knows you best. We all 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 stylish companion to your journey towards a healthier you. Total wellness management on your wrist. Get the health data you need to crush your wellness goals - Galaxy Watch4 offers the most comprehensive assessment of physical fitness and wellness management parameters available on a smartwatch. On your own schedule, you can now get an assessment of multiple body wellness factors. Your workout buddies have your back. Enjoy every step you take with your friends and family with the Galaxy Watch4. Track your steps and compete with friends through a live message board. Challenges come with commemorative badges and a point system to make exercise fun, motivating and socially rewarding. All the data your heart desires. Be smart about your heart. Meet the Samsung BioActive Sensor that measures ECG in real time. You can check and monitor abnormal heart rate and rhythm through ECG and send data straight to your phone to be easily shared. Sleek, seamless, iconic. Galaxy 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. Choose from a selection of bands, including the Hybrid Leather Band and the Sport Band, to express your own personal style. Elevate your wrist with high-quality materials, comfortable fit, and sweat-resistant surfaces. A new day. A new watch face. Choose 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. It's a real team player. The 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.