Garmin 645 Music vs. Fitbit Charge vs. Misfit Speedo Shine vs. Polar A370

 
645 Music
Charge
Speedo Shine
A370
 Garmin645 MusicRemove Buy NowFitbitChargeRemove Buy NowMisfitSpeedo ShineRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$450$130$80$179.95
Release2018201420152017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days7-10 days6 monthsUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution240 x 240NANA160 x 80
Size1.2 inchesNANA1.18 inches
TouchNANA
TypeMIPOLEDNATFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating SystemNANA
Apps
Music

All Wearables