Time Round SmartWatch 3 Spark Vivofit 3
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Basic Info

Suggested Price $200 $250 $150 $100
Release 2015 2014 2015 2016

Activity & Fitness

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

Battery

Duration 2 days 2 days n/a 1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color n/a
Resolution n/a 320 x 320 n/a 64 x 64
Size round 1.6 inches n/a 0.55 inches
Touch
Type e-paper TFT LCD LCD n/a

Functions

Audio Speaker Bluetooth Bluetooth
Clock
Phone n/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance IPX7 IP68 5 ATM 5 ATM

Notifications

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

Software

Operating System Pebble OS Android Wear n/a n/a
Apps
Music

All Wearables