Get ready to crush your wellness goals with body readings right on your wrist. Better Sleep Starts Here: Wake up feeling refreshed and recharged with advanced sleep tracking; When you go to bed, your Galaxy Watch4 Classic sleep tracker starts monitoring your sleep and SpO2 levels continuously. Take care of your heart with accurate ECG monitoring and keep an eye on possible atrial fibrillation, a common form of irregular heart rhythm; Share personalized readings with your doctor using the Samsung Health Monitor app on your Galaxy phone*. Get the most out of every exercise session with advanced workout tracking that recognizes 6 popular activities, from running to rowing to swimming, automatically in just 3 minutes; Stay motivated by connecting to live coaching sessions via your smartphone. Go the Extra Mile: Improve your runs with advanced running coaching technology; VO2 Max readings assess your oxygen levels to manage and track your heart and lung endurance. Keep Crushing Your Day: Put the phone features you need right on your wrist and stay connected to calls, texts, notifications, and music streaming, all accessible with a simple tap. Google on Your Wrist: Tap into the power and convenience of select Google services and apps; Pay for coffee, get directions to the park, use Google Assistant or Bixby, and stream from YouTube Music. Fashion Meets Function: Sleek, lightweight and customizable, Galaxy Watch 4 is made to move with you while working out and matches your mood and outfit with bands ranging from green, silver, pink and black plus a variety of faces.