Image of a Watch Series 2
Image of a Surge
Image of a Charge 2
Image of a Vivosmart HR
Image of a WSD-F20A
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Basic Info

Suggested Price$269$250$150$170$399
Release20162016201620152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours7 days5 days5 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/an/a160 x 68320 x 320
Size1.5 inches or 1.65 inches1.26 inchesn/a1.08 inches1.32 inches
Touchn/a
TypeAMOLEDMonochrome LCDOLEDn/aLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM5 ATMn/a5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSn/an/an/aWear OS
Apps
Music

All Wearables