Watch Series 2 M400 Ray Touch Forerunner 235
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Basic Info

Suggested Price $269 $200 $100 $130 $299.99
Release 2016 2014 2016 2016 2017

Activity & Fitness

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

Battery

Duration 18 hours 8 hours to 30 days 6 months 5 days 9 days
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
Resolution 340 x 272 or 390 x 312 n/a n/a n/a 215 x 180
Size 1.5 inches or 1.65 inches n/a n/a 0.91 inches 1.23 inches
Touch n/a
Type AMOLED n/a LED n/a MIP

Functions

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

Hardware

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

Notifications

Phone
Emails
Texts

Software

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

All Wearables