Polar M600 TomTom Adventurer Withings Activite Sapphire Misfit Flash Link
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Basic Info

Suggested Price $330 $350 $450 $20
Release 2016 2016 2014 2015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration 2 days n/a 8 months 6 months
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color n/a
Resolution 240 x 240 n/a n/a n/a
Size 1.3 inches n/a 1.3 inches n/a
Touch n/a n/a
Type TFT n/a Analog n/a

Functions

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

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance IPX8 5 ATM 5 ATM 3 ATM

Notifications

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

Software

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