GTR
Stratos
645 Music
 AmazfitGTRRemove Buy NowAmazfitStratosRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$199$199$450
Release201920182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 days5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution454 x 454320 x 300240 x 240
Size1.39 inches1.34 inches1.2 inches
Touch
TypeAMOLEDOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemBuild-inProprietary
Apps
Music

All Wearables