Forerunner 225 Vapor M400 Activite Steel Flex
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Basic Info

Suggested Price $300 $199 $200 $170 $100
Release 2015 2017 2014 2015 2013

Activity & Fitness

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

Battery

Duration 10 hours to 4 weeks n/a 8 hours to 30 days 8 months 5 days
Rechargeable

Compatibility

Android
iOS
Windows Phone n/a n/a n/a n/a NA
Mac n/a n/a n/a
Windows n/a n/a n/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution 180 x 180 n/a n/a n/a NA
Size 1 inch 1.39 inches n/a 1.3 inches NA
Touch NA
Type n/a AMOLED n/a Analog LED

Functions

Audio Speaker 22 Alerts only
Clock
Phone n/a n/a
Vibration n/a
Voice n/a

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance 5 ATM 5 ATM 3 ATM 5 ATM 1 ATM

Notifications

Phone n/a n/a
Emails n/a n/a
Texts n/a n/a

Software

Operating System n/a n/a n/a n/a NA
Apps n/a n/a
Music n/a n/a

All Wearables