Olio Model One Polar M400 Microsoft Band 2 Withings Go
  Olio Model One Remove Buy Now Polar M400 Remove Buy Now Microsoft Band 2 Remove Buy Now Withings Go Remove Buy Now

Basic Info

Suggested Price $595 $200 $250 $80
Release 2015 2014 2015 2016

Activity & Fitness

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

Battery

Duration 2 days 8 hours to 30 days 48 hours (without GPS) 8 months
Rechargeable

Compatibility

Android n/a
iOS n/a
Windows Phone n/a n/a n/a
Mac n/a n/a n/a
Windows n/a n/a n/a

Connectivity

Bluetooth n/a
Cellular
GPS n/a
NFC n/a
Wi-Fi

Display

Color n/a
Resolution n/a n/a 320 x 128 n/a
Size n/a n/a 1.36 inches n/a
Touch n/a
Type n/a n/a Capacitative TFT E-Ink

Functions

Audio Speaker n/a Alerts only
Clock
Phone n/a n/a
Vibration n/a n/a
Voice

Hardware

Accelerometer n/a
Barometer or Altimeter n/a
Ultraviolet Sensor
Water Resistance 5 ATM 3 ATM IPX7 5 ATM

Notifications

Phone n/a n/a
Emails n/a
Texts n/a

Software

Operating System n/a n/a n/a n/a
Apps n/a n/a
Music