Steel Gear S2 Adventurer Steel HR Vivosmart HR
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Basic Info

Suggested Price $150 $300 $350 $180 $170
Release 2014 2015 2016 2016 2015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration 5-7 days 2-3 days n/a 25 days 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
GPS n/a
NFC
Wi-Fi

Display

Color
Resolution 168 x 144 360 x 360 n/a n/a 160 x 68
Size 1.26 inches 1.2 inches n/a n/a 1.08 inches
Touch
Type e-paper Super AMOLED n/a n/a n/a

Functions

Audio Speaker Bluetooth
Clock
Phone n/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance 5 ATM IP68 5 ATM 5 ATM 5 ATM

Notifications

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

Software

Operating System Pebble OS Tizen n/a n/a n/a
Apps
Music

All Wearables