Features

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Camera and Display Features
Display Resolution 240 x 180 Pixels  400 x 400 Pixels  172x172 Pixels  400 x 400 Pixels
Display Size 1.25 inch  1.4 inch  1.27 inch  1.4 inch
Display Type LCD  OLED  LCD  OLED
Backlight Display Yes Yes Yes Yes
Scratch Resistant Yes Yes Yes Yes
Other Display Features Always-on Transflective Color Display, Scratch Resistant View More...
Fitness and Watch Functions
Calorie Count Yes Yes Yes Yes
Step Count Yes Yes Yes Yes
Heart Rate Monitor Yes Yes Yes Yes
Other Fitness Features Sleep Monitoring  Sleep Tracking  VO2MAX (Measure Fitness Level, Training Effect, Recovery View More... Sleep Tracking
Date & Time Display Yes Yes Yes Yes
Compass Yes Yes Yes
Calendar Yes Yes Yes Yes
Alarm Clock Yes Yes Yes Yes
Language English  English  English
Number of Buttons 3  1  3  1
Other Watch Functions Rich Watch Faces Selection Exclusively Designed for TicwaView More... Get Emails, Text Messages, Incoming Calls and Other App /View More... Rich Watch Faces Selection Exclusively Designed for Ticwa View More...
Altimeter Yes
Dimensions
Weight 303.3 g  41.5 g  70 g  45.5 g
Diameter 44 mm  45 mm
Thickness 13.55 mm  13 mm
Warranty
Warranty Summary 1 Year Warranty  1 Year Warranty  1 Year Warranty  1 Year Warranty
Warranty Service Type Carry In  Carry In  For Any Issues Regarding the Product Please Contact: 1800View More... Carry In
Covered in Warranty Manufacturing Defects  Manufacturing Defects  Manufacturing Defects  Manufacturing Defects
Not Covered in Warranty Physical Damage  Physical Damage  Physical Damage  Physical Damage
Domestic Warranty 1 Year  1 Year  1 Year  1 Year
Audio and Video Features
Speaker Yes Yes
Microphone Yes Yes
Voice Control Yes Yes
General
Sales Package Smartwatch, Charger, User Manual  Smartwatch, Charging Cable, User Manual  Smartwatch, Charging Cable, User Manual  Smartwatch, Charging Cable, User Manual
Model Number FB503GYBK  WF12086  A1619  WF12066
Model Name Ionic  Ticwatch Express  Amazfit Stratos  Ticwatch Sport
Dial Shape Square  Circle  Rectangle  Circle
Strap Color Black  Yellow  Black  Black
Strap Material Elastomer  Silicone  Silicone  Thermo Plastic Polyurethene
Size Regular  Regular  Free Size  Regular
Touchscreen Yes Yes Yes Yes
Water Resistant Yes Yes Yes Yes
Usage Notifier, Fitness & Outdoor  Fitness & Outdoor  Fitness & Outdoor  Fitness & Outdoor
Ideal For Unisex  Unisex  Unisex  Unisex
Dial Color Black 
Water Resistance Depth 50 m  1 m  50 m  1 m
Product Details
Closure Strap Buckle  Strap Buckle  Strap Buckle
Sensor 3-axis Accelerometer, 3-axis Gyroscope, Optical Heart RatView More... Accelerometer, Gyroscope, e-Compass, Heart Rate Sensor, PView More... Heart Rate Sensor  Accelerometer, Gyroscope, e-Compass, Heart Rate Sensor, P View More...
Compatible Device iPhone, Android Smartphones  iPhone, Android Smartphones  iPhone, Android Smartphones  iPhone, Android Smartphones
Notification Yes Yes Yes Yes
Notification Type Text and Calender Alerts  Vibration  Vibration  Vibration
Battery Type Lithium Polymer  Lithium Ion  Lithium Polymer  Lithium Ion
Battery Life Upto 6 Days (Based on Usage)  Upto 48 hrs (Based on Usage)  Upto 11 Days (Based on Usage)  Upto 48 hrs (Based on Usage)
Rechargeable Battery Yes Yes Yes Yes
Charger Type Magnetic Connecting Pin Charging  AC Adapter and USB Cable  Magnetic Connecting Pin Charging
Other Features Wireless Syncing  Changable Watch Straps, Supports Google Assistant, Light View More... Exchangeable Durable Watch Strap, 290 mAh Li-Polymer BattView More... Changable Watch Straps, Supports Google Assistant, Light  View More...
Maximum Operating Altitude 9144 m 
Charge Time 120 min 
Platform and Storage Features
Compatible Operating System Android & iOS  Android & iOS  Android & iOS  Android & iOS
Operating System Fitbit OS  Android Wear 2.0  Android Wear 2.0
RAM 512 MB  512 MB
Internal Memory 4 GB  4 GB
Connectivity Features
Call Function No  No  No  No
Bluetooth Yes Yes Yes Yes
Wi-Fi Yes Yes Yes Yes
GPS Yes Yes Yes Yes
Bluetooth Version v4.0  v4.1  v4.0  v4.1
Other Connectivity Features Wi-Fi (802.11b/g/n)  Wi-Fi (802.11b/g/n)  Wi-Fi (802.11b/g/n)  Wi-Fi (802.11b/g/n)
Messaging Support No 
Call Features Incoming Call Alerts 
Third Party App Support Yes Yes