Specs:

Network/Bearer
Infra : Wi-Fi Only, Bluetooth Only

Audio and Video
Audio Playing Format :
MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB

Connectivity
Location Technology :
GPS, Glonass, Beidou, Galileo
Wi-Fi : 802.11a/b/g/n 2.4GHz+5GHz
NFC : YeS

Bluetooth Version : Bluetooth v5.3
Bluetooth Profiles : A2DP, AVRCP, HFP, HSP

OS
OS : Wear OS Powered by Samsung

Display
Technology (Main Display) : Super AMOLED
Size (Main Display) : 1.5" (37.3mm)
Resolution (Main Display) : 438 x 438
Color Depth (Main Display) : 16M

Processor 
CPU Speed : 1.6GHz, 1.5GHz
CPU Type : Penta-Core

Storage/Memory
Memory (GB) : 2
Storage (GB) : 32
Available Storage (GB) : 20.2

Sensors:
Accelerometer, Barometer, Bioelectrical Impedance Analysis Sensor, Electrical Heart Sensor, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Infrared Temperature Sensor, Light Sensor, Optical Heart Rate Sensor

Physical specification
Body Dimension (HxWxD, mm) : 46.0 x 43.7 x 8.6
Body Weight (g) : 34
Durability : 5 ATM

Battery
Battery Capacity (mAh, Typical) : 435.0
Removable : No
Usage Time (Hours, AOD Off) : Up to 40