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Image of a Ionic
Image of a M400
 BasisPeakRemove Buy NowFitbitIonicRemove Buy NowPolarM400Remove Buy Now

Basic Info

Suggested Price$200$299$200
Release201420172014

Activity & Fitness

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

Battery

Duration4 days4+ days8 hours to 30 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNAn/a
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144348x250n/a
Size1.25 inches1.42n/a
Touch
TypeLCDOLEDn/a

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m3 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNAFitbit OSn/a
Apps
Music

All Wearables