Image of a Watch Series 3
Image of a Ionic
Image of a SmartBand 2
Image of a Arc
 AppleWatch Series 3Remove Buy NowFitbitIonicRemove Buy NowSonySmartBand 2Remove Buy NowAmazfitArcRemove Buy Now

Basic Info

Suggested Price$329$299$130$69.99
Release2017201720152016

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours4+ days2 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312348x250n/a72 x40
Size1.5 inches or 1.65 inches1.42n/a0.42 inches
Touchn/a
TypeAMOLEDOLEDn/aOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50mIP58IP67

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Fitbit OSn/a
Apps
Music

All Wearables