Watch Series 2 Q Dreamer Vivosmart HR WSD-F20A On Full Guard
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Basic Info

Suggested Price $269 $125 $170 $399 $325
Release 2016 2015 2015 2018 2017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration 18 hours 7 days 5 days 1 day 1 day
Rechargeable

Compatibility

Android
iOS
Windows Phone 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 160 x 68 320 x 320 454 x 454
Size 1.5 inches or 1.65 inches n/a 1.08 inches 1.32 inches 1.4 inches
Touch n/a
Type AMOLED n/a n/a LCD OMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating System Watch OS n/a n/a Wear OS Android Wear 2.0
Apps
Music

All Wearables