Apple Watch Series 2 Polar M400 Sony SmartBand Talk
  Apple Watch Series 2 Remove Buy Now Polar M400 Remove Buy Now Sony SmartBand Talk Remove Buy Now

Basic Info

Suggested Price $269 $200 $170
Release 2016 2014 2014

Activity & Fitness

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

Battery

Duration 18 hours 8 hours to 30 days 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution 340 x 272 or 390 x 312 n/a 296 x 128
Size 1.5 inches or 1.65 inches n/a 1.4 inches
Touch
Type AMOLED n/a E Ink

Functions

Audio Speaker Alerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance 5ATM 3 ATM IP68

Notifications

Phone
Emails
Texts

Software

Operating System Watch OS n/a Android Wear
Apps
Music