Samsung Galaxy Watch 4 40mm Bluetooth Smartwatch with ECG Heart Rate Monitor, Tracker for Health, Fitness, Running, Sleep Tracking, GPS Fall Detection, US Version, SM-R860NZDAXAA, Pink Gold

Items Description

The Samsung Galaxy Watch 4 40mm Bluetooth Smartwatch in Pink Gold is a compact wearable designed for users who want comprehensive health tracking and daily connectivity in a lighter, more elegant form. This US version with model number SM-R860NZDAXAA pairs a streamlined 40mm case with a warm Pink Gold finish, creating a device that suits both active training sessions and everyday wear. Its core focus centers on delivering body composition analysis, advanced sleep insights, and accurate fitness tracking without requiring a phone nearby during outdoor workouts.

 

At the heart of this smartwatch lies a dual-chip architecture that supports smooth Wear OS operation and responsive navigation. The Pink Gold aluminium case offers a subtle, refined appearance that distinguishes it from darker or sportier variants, while the 40mm size provides a comfortable fit for smaller wrists and lighter all-day carry. Beyond its aesthetic appeal, the watch integrates a BioActive sensor that measures everything from heart rate to body fat percentage, positioning it as a practical tool for those who prefer data-driven wellness routines.

 

Key Advantages of the Samsung Galaxy Watch 4 40mm Bluetooth Smartwatch with ECG Heart Rate Monitor, Tracker for Health, Fitness, Running, Sleep Tracking, GPS Fall Detection, US Version, SM-R860NZDAXAA, Pink Gold

 

1. Comprehensive Body Composition Analysis

The Samsung Galaxy Watch 4 introduces a BioActive sensor that consolidates optical heart rate, electrical heart signal, and bioelectrical impedance analysis into a single chip. This allows users to measure body composition metrics directly from the wrist, a feature that was previously limited to dedicated scales or professional equipment.

 

• Body Fat Percentage: Track changes in body fat over time to evaluate the effectiveness of training and diet plans.
• Skeletal Muscle Mass: Monitor muscle development to ensure balanced fitness progress.
• Basal Metabolic Rate: Understand daily calorie burn at rest for more accurate nutrition planning.
• Body Water and BMI: Gain a fuller picture of overall body composition in under 15 seconds.

 

2. Advanced Sleep Tracking with Snore Detection

Sleep quality is a critical component of recovery, and this watch approaches it with granular detail. It automatically records sleep stages, including REM, light, and deep sleep, while also measuring blood oxygen levels throughout the night. The accompanying Samsung Health app presents this data in a clear nightly report, helping users identify patterns that affect rest.

 

• Sleep Score: A daily score that rates overall rest quality based on duration, consistency, and wakefulness.
• Blood Oxygen Monitoring: Checks SpO2 levels during sleep to flag potential breathing disruptions.
• Snore Detection: Uses the phone microphone (when placed nearby) to log snoring episodes and correlate them with sleep stages.

 

3. Reliable Fitness and Running Tracking with GPS

Despite its compact 40mm profile, this model includes built-in GPS, allowing runners and cyclists to record pace, distance, and routes without carrying a smartphone. The watch supports multiple workout modes, from outdoor running and cycling to rowing and HIIT, with automatic activity detection for common exercises like walking and elliptical training.

 

• Built-in GPS: Precise route mapping and pace data during outdoor activities.
• Auto Workout Detection: Recognises when a walk or run begins and starts tracking automatically.
• VO2 Max Estimation: Provides a fitness level indicator based on pace and heart rate data.
• Advanced Running Metrics: Includes cadence, stride length, and interval training support.

 

4. Health Monitoring with ECG and Blood Pressure Tracking

For users who want more than just activity data, the watch offers an ECG (electrocardiogram) feature that checks for signs of atrial fibrillation by recording electrical signals from the heart. It also supports blood pressure monitoring when calibrated with a traditional cuff, as permitted by local regulations.

 

• ECG App: Records a 30-second reading to detect irregular heart rhythms.
• Blood Pressure Monitoring: Tracks systolic and diastolic readings after an initial calibration with a standard cuff.
• Fall Detection: Detects hard falls and sends an SOS message with location to emergency contacts.
• Heart Rate Alerts: Notifies users when resting heart rate remains abnormally high or low.

 

5. Polished Pink Gold Design with Comfort-focused Engineering

The Pink Gold finish on this 40mm model offers a distinctive look that stands apart from standard black or silver smartwatches. It uses a soft-tone metallic coating that reflects light gently, giving the watch a jewellery-like quality that pairs well with both casual outfits and formal attire. The reduced case size and lighter weight make it less obtrusive during sleep tracking and daily wear, while the 5 ATM water resistance rating allows for swimming and showering without removal.

 

• 40mm Case: A slimmer profile suited for smaller wrists, reducing bulk during workouts.
• Pink Gold Finish: A warm, muted metallic tone that complements diverse skin tones and wardrobe choices.
• 5 ATM Water Resistance: Suitable for pool swimming, rain exposure, and sweaty training sessions.
• Interchangeable Bands: Standard 20mm lug width allows for quick strap changes to match different occasions.

 

The Samsung Galaxy Watch 4 40mm Bluetooth Smartwatch in Pink Gold is best suited for health-focused users who prefer a lighter, more refined wearable that covers body composition, sleep quality, and outdoor activity tracking in one device. For runners, fitness enthusiasts, or anyone who values detailed physiological data in a compact and elegant form, this watch provides a well-rounded package without the bulk of larger models.

Specifications of Samsung Galaxy Watch 4 40mm Bluetooth Smartwatch with ECG Heart Rate Monitor, Tracker for Health, Fitness, Running, Sleep Tracking, GPS Fall Detection, US Version, SM-R860NZDAXAA, Pink Gold

Brand	Samsung
Operating System	watchOS 4
Memory Storage Capacity	16 GB
Battery Capacity	247 Milliamp Hours
Connectivity Technology	Bluetooth, gps
Wireless Communication Standard	Bluetooth
Battery Cell Composition	Lithium Ion
GPS	True
Shape	Heart,Irregular
Screen Size	1.2 Inches

Prev:  Samsung Galaxy Watch 4 40mm Bluetooth Smartwatch with ECG Heart Monitor, Tracker for Health, Fitness, Running, Sleep Tracking, GPS Fall Detection, US Version, SM-R860NZKAXAA, Black     Next: SAMSUNG Galaxy Watch 4 Classic 42mm Smartwatch with ECG Monitor Tracker for Health, Fitness, Running, Sleep Cycles, GPS Fall Detection, Bluetooth, US Version, Black

Specifications
[Brand]	Samsung
[Operating System]	watchOS 4
[Memory Storage Capacity]	16 GB
[Battery Capacity]	247 Milliamp Hours
[Connectivity Technology]	Bluetooth, gps
[Wireless Communication Standard ]	Bluetooth
[Battery Cell Composition]	Lithium Ion
[GPS]	True
[Shape]	Heart,Irregular
[Screen Size]	1.2 Inches

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