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Basic Info

Suggested Price$269$150$250$100$180
Release20162014201320122015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5-7 daysn/a10-14 days3 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/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 312168 x 144480 x 360n/a128 x 88
Size1.5 inches or 1.65 inches1.26 inches2 inchesn/a0.73 inches
Touch
TypeAMOLEDe-paperSuper AMOLEDOLEDPMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM5 ATMIP67Splast ResistantIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSPebble OSTizenn/an/a
Apps
Music

All Wearables