Features:
Don t just listen to your body. Know it
- 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.
Name a workout. It can track it
- 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.
The most holistic sleep analysis on Galaxy watch
- 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.
New OS - It s a real team player
- 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.

Tech Specs:
Connectivity
- Location Technology: GPS, Glonass, Beidou, Galileo
- Wi-Fi: 802.11 a/b/g/n 2.4+5GHz
- Bluetooth Version: Bluetooth v5.0
- Bluetooth Profiles
OS
- Wear OS Powered by Samsung
Display
- Technology (Main Display): Super AMOLED
- Size (Main Display): 1.2" (30.4mm)
- Resolution (Main Display): 396 x 396
- 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
- Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Optical Heart Rate Sensor, Electrical heart sensor, Bioelectrical Impedance Analysis Sensor
Physical specification
- Dimension (HxWxD): 40.4 x 39.3 x 9.8 mm
- Weight: 25.9 g
Battery
- Battery Capacity (mAh, Typical): 247
- 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

What's in the box
1 x Samsung Galaxy Watch 4 Smartwatch - (40mm) R860 Color Black

Product Information
Categories: Computers & Tablets / Smart Home & Connected Living / Wearable Tech / Smart Watches
Cellphones & Wearables / Wearables / Smart Watches
Brand : Samsung

Has GPS : Yes

Warranty : Limited (12 months)

Materials: Silicone

Bezel Size: 40.0 mm

Strap Size: 10 cm

Has GLONASS : Yes

Screen Size: 1.2'

Model : SM-R870

Has Altimeter : No

Connectivity : Bluetooth

Has Music Player : Yes

Has Step Counter : Yes

What's in the box    
1 x Samsung Galaxy Watch 4 Smartwatch - (40mm) R860 Color Black

Has Sleep Monitor : Yes

Water Resistant : Yes

Has Calorie Counter : Yes

Has Distance Tracking : Yes

Has Heart Rate Monitor : Yes

Has Smart Notification Technology : Yes

Colour Name : Black

Basic Colours : Black