SM-R870NZSAXFA

Overview:

Galaxy Watch4 Bluetooth (44mm)
SM-R870NZSAXFA

• Sleek, lightweight aluminum design with FKM Strap
• Enhanced fitness and activity tracking
• Increased health and fitness apps availability: Incl. Strava

Features:

BODY COMPOSITION
Track your fitness progress with our first smartwatch that conveniently measures body composition. Get to know your body fat percentage, skeletal muscle, body water and more to achieve your goals. The Samsung BioActive Sensor and our fastest chip brings the biggest innovation to Galaxy Watch yet.

Get a BIA measurement using just two fingers in 15 seconds. Anytime, anywhere.

The new Samsung BioActive Sensor captures your body composition in real time to inform you as you manage your health goals.

GROUP CHALLENGE
The front of a Galaxy Watch4 with a green band is shown, and its watch face displays "3rd place" in a walking Group Challenge with friends. Around the watch are diverse people cropped in a circle. There are text bubbles on the top left and bottom right, each pointing to its speaker.

Enjoy every step you take with your friends and family with the Galaxy Watch4 . Track your steps and compete with friends in a fun competition through a live message board. Challenges come with commemorative badges and a point system to make exercise fun, motivating and socially rewarding.

DAILY ACTIVITY & FITNESS TRACKING
Track your activities and fitness scores on your watch and phone. Count steps, check calories, and stay on the grid with GPS. Galaxy Watch4 detects physical activity to track your routines and supports more than 90 exercises for a more accurate report of your workouts.

BLOOD PRESSURE & ECG
Meet the Samsung BioActive Sensor that measures ECG and blood pressure in real time. After initial calibration, the sensors quickly check your blood pressure. You can also check abnormal heart rate and rhythm through ECG and send data straight to your phone to be easily shared.

ADVANCED SLEEP
A silver Galaxy Watch4 device is shown with a silver band tied round and its watch face displaying the sleep tracking feature.

The sleep tracker detects and holistically analyzes your sleep stages while you rest. Improved measuring options let you check your blood oxygen levels and snoring patterns (not saying you do). Plus, get advanced insights from the National Sleep Foundation for better sleep quality and duration.

DESIGN
Two Galaxy Watch4 devices are shown, a pink gold color on the left and a silver color on the lower right. Each has a watch face that is showing different colored designs to tell time.

DESIGN
Galaxy Watch4 features a simple design with a streamlined Armor Aluminum metal frame. It offers high-end looks and functionality for your workouts and day-to-day tasks.

NEW OPERATING SYSTEM
The sideways view of a green Galaxy Watch4 device is displayed, and various app icons can be seen.

The first smartwatch with Wear OS Powered by Samsung, Galaxy Watch4 puts seamless access to your favorite apps on your wrist. You'll get a rich app selection from music streaming apps to anything in the massive library of health and fitness apps.

Specifications:

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Specifications
Product Code	SM-R870NZSAXFA
Network/Bearer
Infra	Bluetooth, Wi-Fi
Connectivity
Location Technology	GPS, Glonass, Beidou, Galileo
Wi-Fi	802.11 a/b/g/n 2.4+5GHz
NFC	Yes
Bluetooth Version	Bluetooth v5.0
Bluetooth Profiles	A2DP, AVRCP, HFP, HSP
OS
OS	Wear OS Powered by Samsung
Display
Technology (Main Display)	Super AMOLED
Size (Main Display)	1.4" (34.6mm)
Resolution (Main Display)	450 x 450
Color Depth (Main Display)	16M
Processor
CPU Speed	1.18GHz
CPU Type	Dual-Core
Memory
RAM Size (GB)	1.5
ROM Size (GB)	16
Sensors
Sensors	Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Optical Heart Rate Sensor, Electrical heart sensor, Bioelectrical Impedance Analysis Sensor
Physical specification
Dimension (HxWxD)	44.4 x 43.3 x 9.8 mm
Weight	30.3 g
Battery
Battery Capacity (mAh, Typical)	361
Removable	No
Typical Usage Time (Hours)	up to 40 Hours
Audio and Video
Audio Playing Format	MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB