Connected Gear S2 SmartWatch 3 Spark Vivosmart HR
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Basic Info

Suggested Price $245 $300 $250 $150 $170
Release 2016 2015 2014 2015 2015

Activity & Fitness

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

Battery

Duration 6 months 2-3 days 2 days n/a 5 days
Rechargeable

Compatibility

Android
iOS
Windows Phone n/a n/a 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 n/a n/a
GPS n/a n/a
NFC n/a
Wi-Fi n/a

Display

Color n/a n/a
Resolution n/a 360 x 360 320 x 320 n/a 160 x 68
Size n/a 1.2 inches 1.6 inches n/a 1.08 inches
Touch n/a
Type n/a Super AMOLED TFT LCD LCD n/a

Functions

Audio Speaker n/a Bluetooth Bluetooth
Clock
Phone n/a
Vibration
Voice n/a

Hardware

Accelerometer n/a
Barometer or Altimeter n/a
Ultraviolet Sensor n/a
Water Resistance 10 ATM IP68 IP68 5 ATM 5 ATM

Notifications

Phone n/a
Emails n/a
Texts n/a

Software

Operating System n/a Tizen Android Wear n/a n/a
Apps n/a
Music

All Wearables