Watch Series 2 Time Round M600 One Talkband B2
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Basic Info

Suggested Price $269 $200 $330 $100 $180
Release 2016 2015 2016 2012 2015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration 18 hours 2 days 2 days 10-14 days 3 days
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
Resolution 340 x 272 or 390 x 312 n/a 240 x 240 n/a 128 x 88
Size 1.5 inches or 1.65 inches round 1.3 inches n/a 0.73 inches
Touch n/a
Type AMOLED e-paper TFT OLED PMOLED

Functions

Audio Speaker Alerts only Bluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance 5ATM IPX7 IPX8 Splast Resistant IP57

Notifications

Phone
Emails
Texts

Software

Operating System Watch OS Pebble OS Android Wear n/a n/a
Apps
Music

All Wearables