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Image of a Stratos
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Image of a WSD-F20A
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Basic Info

Suggested Price$150$199$69.99$399$100
Release20142018201620182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days5 days20 days1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144320 x 30072 x40320 x 320NA
Size1.26 inches1.34 inches0.42 inches1.32 inchesNA
TouchNA
Typee-paperOLEDOLEDLCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP675 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSProprietaryWear OSNA
Apps
Music

All Wearables