Samsung Galaxy Watch4, R870N Smart Watch, 44mm, Black at Reliance Digital

Sleep Tracking: Know your sleep with our new and improved sleep tracking technology. Plan your bedtime, detect snoring, understand and track your sleep.
Body composition Analysis (BIA Measurement): Monitor everything from body fat percentage (BIA) to skeletal muscle weight. All the feedback you need to track your progress.
Optical Heart Rate Sensor: Monitor your heart rate and track your cardiovascular health.
Fitness Tracking: Every step counts. Your watch will automatically detect physical activity  counting your steps, calories, and even your routines. (supports over 90 exercises).
Meet the Sapphire crystal display.Water-resistant, with a harder front display made with premium Sapphire Crystal that's 1.6 times stronger against scratches.

• Sleek, Seamless and Iconic Design
• Daily Activity & Fitness tracking
• Super AMOLED Display
• 450 x 450 Display Resolution
• Wear OS Powered by Samsung