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Image of a WSD-F20A
Image of a Vivosport
Image of a Gear Fit2 Pro
Image of a Gear S3
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Basic Info

Suggested Price$329$399$199$199.99$350
Release20172018201720172016

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleepn/a
Steps
Swim

Battery

Duration18 hours1 day7 days2 days4 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 32072 x 144216 x 432360 x 360
Size1.5 inches or 1.65 inches1.32 inchesNA1.5 inches1.3 inches
Touch
TypeAMOLEDLCDMIPAMOLEDFullcolor AOD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Wear OSTizen OSTizen
Apps
Music

All Wearables