Samsung Galaxy Watch 4 Classic R880 - Black **Without Charger**

Design
Display: 1.4-inch or 1.2-inch Super AMOLED display, depending on the size variant, with a resolution of 450 x 450 pixels, offering vibrant colors and sharp visuals.
Build: Stainless steel case with a rotating bezel for intuitive navigation, giving it a traditional watch feel.
Size Options: Available in 42mm and 46mm sizes, catering to different wrist sizes.

Health and Fitness Tracking
Heart Rate Monitoring: Continuous heart rate tracking with alerts for high or low readings.
ECG Feature: Can take electrocardiograms to monitor heart health (availability may vary by region).
Body Composition Analysis: Measures body fat percentage, muscle mass, and more.
Sleep Tracking: Monitors sleep stages and provides insights for improving sleep quality.
Fitness Modes: Supports over 90 workout modes, including running, cycling, swimming, and more.

Smart Features
Operating System: Runs on Wear OS powered by Samsung, giving access to a wide range of apps and customization options.
Notifications: Receive calls, texts, and app notifications directly on the watch.
Voice Assistant: Built-in Google Assistant and Bixby for hands-free control.
Music Control: Stream music and control playback from your wrist.
Water Resistance: 5 ATM water-resistant, making it suitable for swimming and water activities.

Battery Life
Battery: Typically lasts up to 40 hours, depending on usage and settings.

Compatibility
Smartphone Compatibility: Works best with Samsung devices but is compatible with other Android smartphones and iOS devices.