Watch M400 Band 2 Ray
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Basic Info

Suggested Price $349 $200 $250 $100
Release 2015 2014 2015 2016

Activity & Fitness

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

Battery

Duration n/a 8 hours to 30 days 48 hours (without GPS) 6 months
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 400 x 400 n/a 320 x 128 n/a
Size 1.4 inches n/a 1.36 inches n/a
Touch n/a
Type AMOLED n/a Capacitative TFT LED

Functions

Audio Speaker n/a Alerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance n/a 3 ATM IPX7 5 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables