Fitbit Charge 2 vs. Huawei Talkband B2 vs. Michael Kors Access Sofie vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Charge 2
Talkband B2
Access Sofie
Grayson
Grayson
Vivosmart 4
 FitbitCharge 2Remove Buy NowHuaweiTalkband B2Remove Buy NowMichael KorsAccess SofieRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$180$395$350$350$130
Release201620152017201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days3 days1 day24 hours24 hours7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 88390 x 390 1.19 inches453 x 454453x45448 x 128
Sizen/a0.73 inches1.39 inches1.39 inches0.74 inches
Touchn/aAMOLDED
TypeOLEDPMOLEDAMOLEDAMOLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP571 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Android WearAndroid Wear
Apps
Music

All Wearables