Apple Watch Series 2 Polar M400 Misfit Ray Withings Pulse Ox
  Apple Watch Series 2 Remove Buy Now Polar M400 Remove Buy Now Misfit Ray Remove Buy Now Withings Pulse Ox Remove Buy Now

Basic Info

Suggested Price $269 $200 $100 $120
Release 2016 2014 2016 2014

Activity & Fitness

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

Battery

Duration 18 hours 8 hours to 30 days 6 months 2 weeks
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color n/a blue
Resolution 340 x 272 or 390 x 312 n/a n/a 128 x 32
Size 1.5 inches or 1.65 inches n/a n/a n/a
Touch n/a Swipe
Type AMOLED n/a LED OLED

Functions

Audio Speaker Alerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance 5ATM 3 ATM 5 ATM

Notifications

Phone
Emails
Texts

Software

Operating System Watch OS n/a n/a n/a
Apps
Music