Watch
Alta HR
Phase
Spark
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Basic Info

Suggested Price$349$150$175$150
Release2015201720162015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours7 days6 monthsn/a
Rechargeable

Compatibility

Android
iOS
Windows PhoneNAn/a
MacNAn/a
WindowsNAn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312128 x 36n/an/a
Size1.5 inches or 1.65 inches1.4 inchesn/an/a
Touchn/a
TypeAMOLEDOLEDn/aLCD

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemWatch OSn/an/a
Apps
Music

All Wearables