Watch Series 2
Vivofit 4
Band 2
A370
 AppleWatch Series 2Remove Buy NowGarminVivofit 4Remove Buy NowMicrosoftBand 2Remove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$269$79.95$250$179.95
Release2016201820152017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours1 year48 hours (without GPS)Up to 3 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 31288 x 88320 x 128160 x 80
Size1.5 inches or 1.65 inchesNA1.36 inches1.18 inches
Touch
TypeAMOLEDNACapacitative TFTTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM5 ATMIPX7WR30

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSn/a
Apps
Music

All Wearables