Image of a Charge
Image of a Vivosmart 4
Image of a M430
 FitbitChargeRemove Buy NowGarminVivosmart 4Remove Buy NowPolarM430Remove Buy Now

Basic Info

Suggested Price$130$130$255
Release201420182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7-10 days7 days30 hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNA48 x 128128x128
SizeNA0.74 inches1.4 inch
TouchNA
TypeOLEDOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM5 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating SystemNA
Apps
Music

All Wearables