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Basic Info

Suggested Price $269 $200 $175 $250 $120
Release 2016 2016 2015 2015 2014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration 18 hours 5 Days 7 days 14 hours to 11 days 2 weeks
Rechargeable

Compatibility

Android
iOS
Windows Phone Partial 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 n/a blue
Resolution 340 x 272 or 390 x 312 n/a n/a 205 x 148 128 x 32
Size 1.5 inches or 1.65 inches n/a n/a 1.38 inches n/a
Touch n/a Swipe
Type AMOLED LCD n/a LCD OLED

Functions

Audio Speaker
Clock
Phone
Vibration n/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance 5ATM n/a 3 ATM 5 ATM

Notifications

Phone
Emails
Texts

Software

Operating System Watch OS n/a n/a n/a n/a
Apps
Music