Forerunner 735XT Time Steel Steel HR Access Sofie
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Basic Info

Suggested Price $450 $250 $180 $395
Release 2016 2015 2016 2017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration 14 hours to 11 days 10 days 25 days 1 day
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 215 x 180 168 x 144 n/a 390 x 390 1.19 inches
Size 1.23 inches 1.26 inches n/a
Touch n/a AMOLDED
Type n/a e-paper n/a

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating System n/a Pebble OS n/a Android Wear 2.0
Apps
Music

All Wearables