Huawei Talkband B2 vs. Polar A360 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Xiaomi Mi Band 4

 
Talkband B2
A360
Grayson
Grayson
Mi Band 4
 HuaweiTalkband B2Remove Buy NowPolarA360Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$180$200$350$350$25
Release20152015201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration3 days12 days24 hours24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 88160 x 80453 x 454453x454120x240
Size0.73 inches1.18 inches1.39 inches1.39 inches0.95 inches
Touch
TypePMOLEDn/aAMOLEDAMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP57WR301 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearAndroid WearAMAZFIT OS
Apps
Music

All Wearables