Watch Series 2 Vivoactive HR M400 Q Dreamer Ray
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Basic Info

Suggested Price $269 $250 $200 $125 $100
Release 2016 2016 2014 2015 2016

Activity & Fitness

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

Battery

Duration 18 hours 13 hours to 8 days 8 hours to 30 days 7 days 6 months
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color n/a n/a
Resolution 340 x 272 or 390 x 312 148 x 205 n/a n/a n/a
Size 1.5 inches or 1.65 inches 1.38 inches n/a n/a n/a
Touch n/a n/a
Type AMOLED n/a n/a n/a LED

Functions

Audio Speaker Alerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance 5ATM 5 ATM 3 ATM IP67 5 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables