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Basic Info

Suggested Price$269$599.99$300$450$170
Release20162017201520162015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hoursUp to 9 days10 hours to 4 weeks14 hours to 11 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/an/an/a
Windowsn/an/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312218x 218180 x 180215 x 180160 x 68
Size1.5 inches or 1.65 inches1.1 inches1 inch1.23 inches1.08 inches
Touchn/a
TypeAMOLEDnan/an/an/a

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM10ATM5 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemWatch OSn/an/an/a
Appsn/a
Musicn/a

All Wearables