Forerunner 935 ZenWatch 2 Phase Classic M400
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Basic Info

Suggested Price $500 $150 $175 $99 $200
Release 2017 2016 2016 2013 2014

Activity & Fitness

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

Battery

Duration Up to 2 weeks n/a 6 months 5-7 days 8 hours to 30 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution 240 x 240 320 x 320 n/a 168 x 144 n/a
Size 1.2 inches 1.63 inches or 1.45 inch n/a 1.26 inches n/a
Touch n/a
Type LCD AMOLED n/a e-paper n/a

Functions

Audio Speaker Alerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance 5 ATM IP67 5 ATM 5 ATM 3 ATM

Notifications

Phone
Emails n/a
Texts n/a

Software

Operating System Android Wear n/a Pebble OS n/a
Apps
Music

All Wearables