Samsung Galaxy Watch4 44MM - Black (SM R870 B)

Description:

Advanced Sleep & Continuous SPO2
Manage your overall sleep quality for a great night's sleep with an advanced tracker that calculates your sleep score.
ECG
Be smart about your heart with real-time ECG Monitoring that gives accurate readings.
Fitness/Auto Workout Tracking
Make the most of every workout with Auto Workout Tracking. Stay motivated by connecting to live coaching sessions via your smartphone or to dynamic Group Challenges with your friends.
Extension of Your Phone
Galaxy Watch4 Classic works as an extension of your phone so you can talk, stream and text from your wrist on the go.