Features

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Camera and Display Features
Display Resolution 240x240 pixels  400 x 400 Pixels  176 x 176 Pixels  360 x 360 Pixels
Display Size 1.6 inch  1.4 inch  1.28 inch  1.3 inch
Display Type TFT  OLED  LCD  AMOLED
Backlight Display Yes Yes Yes
Scratch Resistant Yes Yes Yes
Other Display Features Capacitive Curved Touch  Always-on Reflective Color Display, 3rd Gen 2.5D Corning View More... AMOLED Color Display with Corning Gorilla Glass 3 Protect View More...
Fitness and Watch Functions
Calorie Count Yes Yes Yes
Step Count Yes Yes Yes
Heart Rate Monitor Yes Yes Yes
Other Fitness Features Pedometer  Sleep Tracking  Activity Tracking Features: Burned Calories, Elevation, SView More... Sedentary Reminders, Activity Tracker (Distance, Steps, C View More...
Date & Time Display Time  Yes Yes Yes
Compass Yes Yes
Calendar Yes Yes Yes Yes
Alarm Clock Yes Yes Yes Yes
Language English  English  English
Number of Buttons 1  1  1
Other Watch Functions Messages, Alert on Calls, Sync Call Logs, Shows Call, FinView More... Rich Watch Faces Selection Exclusively Designed for TicwaView More... Show Weather Forecasts, Alarms, Timer, Sports Stats, CaleView More... Customizable Watch Faces, Music Control, Silent Alarms wi View More...
Dimensions
Weight 50.3 g  41.5 g  31 g 
Diameter 44 mm  43 mm
Other Dimensions Dimensions: 45 x 41 x 11.2 mm 
Thickness 13.55 mm  21.8 mm
Warranty
Warranty Summary 6 Month Manufacturing Warranty  1 Year Warranty  1 Year Warranty  1 Year Manufacturer warranty
Warranty Service Type Carry In  For Any Issues Regarding the Product Please Contact: 1800View More... Carry In
Covered in Warranty Manufacturing Defects  Manufacturing Defects  Manufacturing Defects
Not Covered in Warranty Physical Damage  Physical Damage  Physical Damage
Domestic Warranty 1 Year  1 Year  1 Year
Audio and Video Features
Speaker Yes
Microphone Yes
Other Multimedia Features SMS / MMS Notification 
Voice Control Make Calls  Yes
General
Sales Package Smartwatch, Cable, Charging Dock, Warranty Card, User ManView More... Smartwatch, Charging Cable, User Manual  Smartwatch, Charging Cable, User Manual  Smartwatch, Charging Cable, User Manual
Model Number IRIST PRO  WF12086  AMZBIPBLK / A1608  A1818
Model Name IRIST PRO  Ticwatch Express  Amazfit Bip  Amazfit Verge Lite
Dial Shape Rectangle  Circle  Rectangle  Circle
Strap Color Brown  Yellow  Black  Grey
Strap Material Silicone  Silicone  Silicone  Silicone
Size Regular  Regular  Regular  Regular
Touchscreen Yes Yes Yes Yes
Water Resistant Yes Yes Yes Yes
Usage Watchphone  Fitness & Outdoor  Fitness & Outdoor  Fitness & Outdoor
Ideal For Unisex  Unisex  Men  Unisex
Dial Color Black 
Water Resistance Depth 1 m  1.5 m
Dial Material Aluminium 
Product Details
Closure Strap Buckle  Strap Buckle  Strap Buckle
Sensor Accelerometer, Gyroscope  Accelerometer, Gyroscope, e-Compass, Heart Rate Sensor, PView More... 3-axis Accelerometer, Optical (PPG) Heart Rate Sensor, BaView More... Tri-axial Acceleration, PPG Heart Rate, Ambient Light Sen View More...
Compatible Device Compatible with Smartphones  iPhone, Android Smartphones  iPhone, Android Smartphones  iPhone, Android Smartphones
Notification IM Notification, Phone Call Notification  Yes Yes Yes
Notification Type Vibration  Vibration  Vibration
Battery Type Li-Polymer  Lithium Ion  Lithium Polymer  Lithium Polymer
Battery Life Standby Time 120 HrsTalk Time 180-240 min  Upto 48 hrs (Based on Usage)  Upto 45 Days (Based on Usage)  Upto 20 Days (Based on Usage)
Rechargeable Battery Yes Yes Yes Yes
Charger Type Charging Dock  Magnetic Connecting Pin Charging  AC Adapter and USB Cable  AC Adapter
Other Features Can View Call Logs as they Appear on Smartphone, Battery View More... Changable Watch Straps, Supports Google Assistant, Light View More... Lightweight, 20 mm Standard Width Changeable Watch Band, View More... Sleek and Minimalistic Design, Built-in Ultra Low Power S View More...
Charge Time 180 min 
Platform and Storage Features
Compatible Operating System Android 4.4+  Android & iOS  Android & iOS  Android & iOS
Operating System Proprietary  Android Wear 2.0 
RAM 64 MB  512 MB 
Processor Name MT2502C 
Internal Memory 128 MB  4 GB 
Connectivity Features
Call Function Yes No  No  No
Bluetooth Yes Yes Yes Yes
Wi-Fi Yes No  No
GPS No  Yes Yes Yes
Bluetooth Version v4.0  v4.1  v4.0  v5.0
Other Connectivity Features Bluetooth Low Energy (BLE) Support  Wi-Fi (802.11b/g/n) 
Messaging Support Yes
Call Features Dialer 
Operating Range 10 m  10 m
Third Party App Support Yes