GTR
Charge 2
645 Music
 AmazfitGTRRemove Buy NowFitbitCharge 2Remove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$199$150$450
Release201920162018

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 454n/a240 x 240
Size1.39 inchesn/a1.2 inches
Touchn/a
TypeAMOLEDOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemBuild-inn/a
Apps
Music

All Wearables