Fastrack Radiant FX4 Smartwatch vs Fastrack Optimus 2 Pro Smartwatch

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General

BrandFastrackFastrack
Model NameRadiant FX4Optimus 2 Pro
Ideal ForMen, WomenMen, Women
Sales PackageSmartwatch, Charging Cable, Quick Start GuideSmartwatch, Charging Cable, Quick Start Guide

Design and Body

Weight120 g52 g
MaterialMetal Alloy
StrapStainless steelSilicone
ShapeCircleCircle
Water ResistantYesYes
Water Resistant Depth1.5 m
Water Resistant CertificateIP68

Display

TypeColor AMOLEDColor AMOLED
TouchYesYes
Size1.51 inches1.43 inches
Resolution466 x 466 pixels466 x 466 pixels
PPI436 ppi461 ppi
Features550 Nits550 Nits Brightness

Connectivity

BluetoothYes, 5.3Yes, 5.3
Bluetooth CallingYesYes
Call FeaturesCall Answer, Call Reject, Call Mute, Call Notifications, Quick Replies (Android)Call Answer, Call Reject, Call Mute, Call Notifications, Quick Replies (Android)

Extra

Voice AssistantYes
NotificationsYesYes
Extra FeaturesMusic & Camera Control, 100+ Watch Faces & Sports Mode100+ Sports Mode and Watch Faces, Inbuilt Games, Music & Camera Control, Calculator, SOS Calling

Technical

Compatible OSAndroid & iOSAndroid & iOS

Battery

Battery TypeLithium PolymerLithium Polymer
Removable BatteryNon-Removable BatteryNon-Removable Battery
Battery Backup5 days5 days

Fitness Features and Sensors

Heart Rate MonitorYesYes
SpO2 (Blood Oxygen) MonitorYesYes
PedometerYes
CompassNo
Sleep MonitorYesYes
ReminderYesYes
Meters and SensorsAccelerometer, Calorie Count, Step CountCalorie Count, Step Count, Accelerometer
Extra FeaturesAlarm Clock, Stopwatch, Timer, Auto Stress, Women's Health, Activity Tracker, Breathe ExerciseAlarm Clock, Stopwatch, Timer, Auto Stress, Women's Health, Activity Tracker, Breathe Exercise

Warranty

Warranty1 year, Warranty on Product1 year, Warranty on Product
Covered in WarrantyManufacturing DefectsManufacturing Defects
Not Covered in WarrantyPhysical DamagePhysical Damage

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