Watch Series 2 Q Dreamer Vivosmart HR Talkband B2 Ray
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Basic Info

Suggested Price $269 $125 $170 $180 $100
Release 2016 2015 2015 2015 2016

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration 18 hours 7 days 5 days 3 days 6 months
Rechargeable

Compatibility

Android
iOS
Windows Phone n/a n/a n/a
Mac n/a n/a n/a n/a
Windows n/a 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 n/a 160 x 68 128 x 88 n/a
Size 1.5 inches or 1.65 inches n/a 1.08 inches 0.73 inches n/a
Touch n/a n/a
Type AMOLED n/a n/a PMOLED LED

Functions

Audio Speaker Bluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance 5ATM IP67 5 ATM IP57 5 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables