Connected Fenix 3 Forerunner 735XT Talkband B2 Mi Band 2
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Basic Info

Suggested Price $245 $500 $450 $180 $23
Release 2016 2015 2016 2015 2016

Activity & Fitness

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

Battery

Duration 6 months 50 hours to 6 weeks 14 hours to 11 days 3 days 20 hours
Rechargeable

Compatibility

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

Connectivity

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

Display

Color n/a
Resolution n/a 218 x 218 215 x 180 128 x 88 n/a
Size n/a 1.2 inches 1.23 inches 0.73 inches 0.42 inches
Touch n/a n/a
Type n/a Chroma LED n/a PMOLED OLED

Functions

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

Hardware

Accelerometer n/a
Barometer or Altimeter n/a
Ultraviolet Sensor n/a
Water Resistance 10 ATM 10 ATM 5 ATM IP57 IP67

Notifications

Phone
Emails
Texts

Software

Operating System n/a n/a n/a n/a n/a
Apps n/a
Music

All Wearables