Xiaomi Watch S4 41mm vs Fire-Boltt Ninja Call 2 comparison

Compare Xiaomi Watch S4 41mm
Compare Fire-Boltt Ninja Call 2
key specs
Display Size41mm-
Strap MaterialMilaneseSilicone
Dial ShapeRoundSquare
Ideal ForUnisexUnisex
Strap Colour-Black, Blue, Gold, Red, Silver
general
BrandXiaomiFire-Boltt
ModelWatch S4 41mmNinja Call 2
Release dateSeptember 24, 2025March 1, 2022
Dial ShapeRoundSquare
Strap MaterialMilaneseSilicone
SizeRegularRegular
Touchscreen1.32Yes
Water Resistant5ATMYes
Water Resistance Depth50 m-
UsageRegularFitness & Outdoor
Dial MaterialStainless steel-
Ideal ForUnisexUnisex
Model Name-Fire-Boltt Ninja Call 2
Dial Colour-Black
Strap Colour-Black, Blue, Gold, Red, Silver
dimensions
Width41.2-
Height41.2-
Diameter9.5-
Weight (g)32.00-
product details
SensorHeart rate sensor (with blood oxygen sensor), Accelerometer, Gyroscope, Ambient light sensor, Electronic compass, Barometer sensor, Temperature sensorSpO2 Monitoring, Heart Rate Monitor, Optical Heart Rate Sensor
Battery Type320mAh-
Battery Life8 days10 Days
Compatible Device-Android, iOS
Notification-Call, Text, Social Media
Rechargeable Battery-Yes
connectivity features
Call FunctionYesYes
BluetoothYesYes
Bluetooth Version5.45
GPSYes-
Call Features-calling
Other Connectivity Features-Smart notifications
platform and storage features
Operating SystemXiaomi HyperOS 3-
camera and display features
Display Resolution466 × 466240x288
Display Size41mm-
Other Display Features1500nits, 60Hz refresh rateTouch Screen
fitness and watch functions
Step CountYesYes
Heart Rate MonitorYesYes
AltimeterYes-
CompassYes-
CalendarYes-
Alarm ClockYesYes
Date & Time DisplayYesYes
LanguageEnglishEnglish
Number of Buttons-1
Other Fitness Features-Meditative breathing, sleep tracking, drink water reminders
Other Watch Functions-Stopwatch, sedentary reminders
audio and video features
SpeakerYes-
MicrophoneYes-
Other Multimedia Features-Music control

Advertisement

© Copyright Red Pixels Ventures Limited 2026. All rights reserved.
Trending Products »
Latest Tech News »