Model One Vivosmart HR Versa Chronos Charge
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Basic Info

Suggested Price $595 $170 $199.99 $1500 $130
Release 2015 2015 2018 2018 2014

Activity & Fitness

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

Battery

Duration 2 days 5 days 4 days 8 days 7-10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS n/a
NFC n/a
Wi-Fi

Display

Color
Resolution n/a 160 x 68 300 x300 218 x 218 NA
Size n/a 1.08 inches 1.34 inches 1.2 inches NA
Touch NA
Type n/a n/a OLED MIP OLED

Functions

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

Hardware

Accelerometer n/a
Barometer or Altimeter n/a
Ultraviolet Sensor
Water Resistance 5 ATM 5 ATM 5 ATM 10 ATM 1 ATM

Notifications

Phone n/a
Emails
Texts

Software

Operating System n/a n/a Wear OS NA
Apps n/a
Music

All Wearables