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Basic Info

Suggested Price $350 $450 $170 $120
Release 2016 2014 2015 2014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration n/a 8 months 5 days 2 weeks
Rechargeable

Compatibility

Android
iOS
Windows Phone n/a 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 blue
Resolution n/a n/a 160 x 68 128 x 32
Size n/a 1.3 inches 1.08 inches n/a
Touch Swipe
Type n/a Analog n/a OLED

Functions

Audio Speaker Bluetooth
Clock
Phone n/a
Vibration
Voice

Hardware

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

Notifications

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

Software

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