Sony SmartBand 2 vs. Garmin 645 Music vs. Fitbit Charge vs. Fitbit Flex

 
SmartBand 2
645 Music
Charge
Flex
 SonySmartBand 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$130$450$130$100
Release2015201820142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days7 days7-10 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240NANA
Sizen/a1.2 inchesNANA
Touchn/aNANA
Typen/aMIPOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP585 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANA
Apps
Music

All Wearables