Olio Model One vs. Polar M600 vs. Withings Steel HR vs. Sony SmartBand 2 vs. Xiaomi Mi Band 4

 
Model One
M600
Steel HR
SmartBand 2
Mi Band 4
 OlioModel OneRemove Buy NowPolarM600Remove Buy NowWithingsSteel HRRemove Buy NowSonySmartBand 2Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$595$330$180$130$25
Release20152016201620152019

Activity & Fitness

Caloriesn/a
Cycling (Bicycling)n/a
Distancen/a
Heartn/a
Oxygenn/a
Sleepn/a
Stepsn/a
Swimn/a

Battery

Duration2 days2 days25 days2 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPSn/a
NFCn/a
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240n/an/a120x240
Sizen/a1.3 inchesn/an/a0.95 inches
Touchn/an/a
Typen/aTFTn/an/aAMOLED

Functions

Audio Speakern/aAlerts only
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometern/a
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATMIPX85 ATMIP585 ATM

Notifications

Phonen/a
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/an/aAMAZFIT OS
Appsn/a
Music

All Wearables