Fire-Boltt Thunder Smartwatch


Sale Price: ₹4,799 Regular price M.R.P.: ₹12,999 Sale price inclusive of all taxes

Fire-Boltt’s Thunder comes with exciting features like Bluetooth calling to take calls without holding your phone. It has a TWS pairing feature so you can connect your wireless earbuds and neckbands to listen to music. Also has smart health features to measure your body temperature, monitor HR, SpO2 Levels, etc.



Elegance Redefined

Everything you need on a smartwatch comes loaded on the Thunder in its stylish full touch large 33mm (1.32 inch) Amoled display with 360 x 360 px resolution.

33mm Amoled Display
360*360 px Resolution

Bluetooth Calling

Owing to its powerful inbuilt speaker and microphone, you can directly make & receive phone calls directly from your watch, anywhere and anytime.

Quick Dial Pad
Call History
Sync Contacts

Body Temperature and SpO2 Monitoring

Measure your body's temperature more accurately than ever using Fire-Boltt Thunder. Being one of the most important health metrics in the current Covid-19 situation, Fire-Boltt Thunder smart watch SpO2 tracking is close to precision and easy to use, a must have on your smartwatch.

Body Temperature Monitoring
SpO2 Monitoring

24/7 Health Tracker

Keep a tab on your health metrics with some amazing features of Fire-Boltt Thunder. Let’s keep it beating. Track your heart health using the 24/7 dynamic HR tracking available on the Thunder which allows you understand your heart at all times. Fire-Boltt Thunder smart watch can track both deep and light sleep, enabling you to see how much of rest your body gets after a busy day.

Heart Rate Tracking
Sleep Monitoring
Meditative Breathing

Play Local Music

The watch allows you to connect your earpods and enjoy listening to music with this cross connection. Store your favourite music in watch as local music. Play music on the watch via inbuilt speaker.

Connect TWS and Play Music
Play Local Music

Assistant Designed For You

With built-in Voice Assistant, you can simply speak to the Smartwatch and get things done at the convenience of your voice.

Voice Assistant
Inbuilt Mic & Speaker

For a power packed week

Now no worries of running out of battery anymore! Fire-Boltt Thunder has 300mAh battery, can sustain for 10 days.

10 Days Normal Battery

Inbuilt Games

The Fire-Boltt Thunder smartwatch has inbuilt gaming options. Now enjoy hours of fun playing your favourite games and keep a healthy brain with innumerable games!


Goes anywhere, anytime !

Adventures now got a lot more stylish with the Fire-Boltt Thunder on the wrist! Backed by IP68 water resistant rating.

IP68 Water Resistant
smart-watch smart-watch
smart-watch smart-watch
  • Generic Product Name: Smart Watch
  • Net Quantity: 1 U
  • Net Contents: Smart Watch 1 U, Manual 1 U, Warranty Card 1 U, Charging Cable 1 U
  • Imported & Marketed By: Savex Technologies Pvt Ltd
  • Registered Address: 124, Maker Chambers III, Nariman Point, Mumbai, PIN - 400021 Maharashtra, India.
  • Country Of Origin: China
  • Customer Care Contact Details: The Customer Care Manager,
  • Telephone Number: 022 4896 5957
  • Email:
  • Address: C/O Boltt Customer Care Department, 317 - Platinum Techno Park, Sector 30A, Bhagwan Mahaveer Road, Vashi, Navi Mumbai, PIN 400703 Maharashtra, India
  • Brand Website:



  • 33mm Amoled Display
  • 360 x 360 Pixels Resolution
  • Full Touch Screen


  • Bluetooth Version 5.0 or above


  • SpO2 Monitoring & Heart Rate Tracking
  • Body Temperature Monitoring
  • Optical Heart Rate  
  • Capacitive Sensor 


  • Typical Usage Time  10 days  
  • Standby Time  Up to 30 days   
  • Magnetic Charging


  • IP68 Water Proof


  • It is compatible with android 4.4 or above, iOS 8.0 or above


  • 24/7 Dynamic Monitoring & Manual Monitoring  
  • Step Tracker  
  • Calories Burned  
  • Distance Travelled  
  • Activity History  
  • Sleep Monitor  
  • Sports Mode 
  • Tracking & Reminder


  • Bluetooth Calling
  • Caller Name Information  
  • Call Rejection
  • Inbuilt games    
  • Low Battery Reminder  
  • Remote Music & Camera Control 
  • Sedentary Reminder  
  • Weather Forecast  
  • Stopwatch  Reminder  
  • Timer  
  • Alarm  
  • Wake Gesture  
  • Vibration Alert  
  • Do not Disturb Mode  
  • Screen Brightness  


  • How do I start the bluetooth calling feature on my Fire-Boltt Thunder?

After connecting the watch to the Da Fit App, you need to go the bluetooth settings of the phone and pair the watch 

1. Switch on the bluetooth in the phone bluetooth settings and you shall see the available device as "BSW028"

2. Accept the Bluetooth pairing request

3. Once accepted you can see the following screens saying - "Connected for calls & audio"

  • How do I disconnect the Bluetooth calling when not in use?

To disconnect the bluetooth calling the user simply has to go to the phone's bluetooth setting and "unpair" the BSW028 device.

  • How to add contacts to the watch?

You can add the contacts from the Dafit App. Go to "Favourite Contacts" and add contacts. The selected contacts will get synced to your watch.

  • During a call how to switch to phone mode?

Switch Between Watch / Phone During an Active Call : If your watch is connected to the Phone via Bluetooth, all calls will come on the watch by default. If you want to change the call to the phone, during an active call, simply click on BSW028 Bluetooth icon to unselect it. The call will then come on your phone.

  • Can I talk through the watch?

Yes. Through the microphone available in the watch you can talk through the watch and adjust the speaker volume by the + & - sign on the watch and disconnect the call.


  • I am unable to connect the watch with the phone

Make sure you are using Android 4.4/ IOS 8.0 or above OS version in your smart phone.

 It is necessary to accept and agree to all the terms and permissions including the location services also.

 Make sure you have downloaded DaFit app on your smart phone.

 Do not connect the watch directly with the phone’s Bluetooth, make sure you are connecting it via the DaFit app.

 Make sure your Bluetooth is on and try to bind the watch with the app. Once the device is discoverable, it will display on the app screen, click to connect the device with the app.

 If you still continue to have binding issues, please restart your phone and try again.


  • Does Fire-Boltt Thunder have a full touch screen display?

Yes, Fire-Boltt Thunder features a full touch screen display.


  • Is Fire-Boltt Thunder shockproof?

No, Fire-Boltt Thunder is not shockproof. Please avoid dropping it from a height as the watch may get damaged.


  • Is Fire-Boltt Thunder waterproof?

Yes. It has an IP68 rating. Devices backed by an international standard rating of IP68 are deemed fit enough to withstand dust, dirt and sand, and are resistant to submersion up to a maximum depth of 1m underwater for up to thirty minutes. Note: it can be used in shower. However, do avoid sauna, hot water bath and ocean water as the moisture and salty water can damage the band.          


  • Can Fire-Boltt Thunder be used while swimming?

Yes, you can use your Fire-Boltt BSW028 while swimming. The Fire-Boltt BSW028 is IP68 rated and splash resistant only. Devices backed by an international standard rating of IP68 are deemed fit enough to withstand dust, dirt and sand, and are resistant to submersion up to a maximum depth of 1m underwater for up to thirty minutes.  

  • Can I take a photo with Fire-Boltt Thunder ?

Fire-Boltt Thunder does not feature a camera.


  • What all notifications can I get on my Fire-Boltt Thunder ?

You get notifications for SMS, Calls, calendar, email, WhatsaApp, LinkedIn, Instagram, FB messenger, Skype, Twitter, Facebook, YouTube, Viber, Gmail, Outlook, Snapchat Telegram and Slack, as long as the notification feature is turned on and your phone and smartwatch are in Bluetooth range and in sync.

  • Can we reject calls from Fire-Boltt Thunder ?

Yes, you can reject calls from the smartwatch.

  • Does it have Gesture control?

Yes, Fire-Boltt Thunder comes with a Gesture control that turns on the display when you raise your wrist to look at the screen.


  • Can it store and play music?

Fire-Boltt Thunder has a remote music control feature that controls music and the track volume playing on your phone as long as your smartphone and smartwatch are in Bluetooth range.

  • What is the Bluetooth range of Fire-Boltt Thunder?

The Bluetooth range of Fire-Boltt Thunder is 10 meters.


  • Can it play music to Bluetooth headset?

Fire-Boltt Thunder can control the music played through your smartphone as long as it is connected and synced with the app. The Fire-Boltt Thunder can also control music played via Bluetooth headset as long as the smartphone is paired with earphones and the smartwatch.


  • How many watch faces does Fire-Boltt Thunder have?

Fire-Boltt Thunder has a plethora of  100+ unique watch faces which can be changed via Da-Fit App.

  • Can we change the watch face?

Yes, you can change the watch faces. From the watch, touch and hold the home screen. Swipe and choose from the watch faces. From the app, go to watch face, select the watch face of your choice and tap Save to change the watch face. You can even customise your watch face from the app.

  • How do I increase brightness of my Fire-Boltt Thunder?

You can set the brightness from the watch. Turn on the watch screen, go to Setting and select Brightness and adjust it as per your convenience.

  • How do I use the stopwatch on my Fire-Boltt Thunder?

Go to Stopwatch on your smartwatch. Press Play to start. Press Lap to create laps. Press Play again to pause.

  • What sensors does the Fire-Boltt Thunder have?

Fire-Boltt Thunder features HR sensor, Accelerometer and SpO2 sensor.


  • Does Fire-Boltt Thunder have GPS?

No, Fire-Boltt Thunder does not have GPS.

  • What are the accessories included with Fire-Boltt 360 Pro?

Fire-Boltt Thunder comes with one user manual and magnetic charging cable.


  • How do I set up my Fire-Boltt Thunder device?

Before setting up make sure that your smartphone and Fire-Boltt  Thunder are charged and next to each other. Connect the charging cable to turn on the watch. Download the DaFit app in your smartphone. Open the Da Fit app and allow the Bluetooth and GPS positioning to be turned on. Feed in your personal information and health goals in the app. Go to add device page in the app and select the device type and link the watch. See how it's done in this video here.

  • Why won't my Fire-Boltt Thunder device sync?

This may be because it lost Bluetooth connectivity with your smartphone. For a stable connection, please ensure that the Da Fit app is running and locked in the background.

  • Why can't I set up my Fire-Boltt Thunder device?

Reset your Fire-Boltt Thunder and try again.

  • Why didn't my Fire-Boltt Thunder device alert me?

Possibly due to Bluetooth connectivity loss. Ensure that your watch & phone are within Bluetooth range with the alerts turned on in the App, which is kept running & locked in the background (Android). Also check if the DND is turned off or not.

  • How do I restart my Fire-Boltt Thunder?

You can restart your Fire-Boltt Thunder smartwatch by following these steps. Turn on the watch screen. Swipe up, select Settings. Go to Restart and choose to restart.

  • How do I turn off my Fire-Boltt Thunder?

Turn on the watch screen, go to Setting and select Power Off and choose to power off.

  • How do I reset my Fire-Boltt Thunder?

You can reset Fire-Boltt Thunder from the watch. Go to Setting, select Reset and choose to reset.

  • What is the battery capacity and standby time?

It features a battery run time up to 10-day without Bluetooth calling feature. With Bluetooth calling feature, it will work for 5 days & 30-day standby. Stand-by time is the maximum tested time that a single charge will last when the smartwatch is used as a regular watch.

  • How do I know when my device is charged?

Fire-Boltt Thunder takes approximately 2 hours to charge completely. It will display a 100% Charged message once the battery is at full capacity. Please do not use a fast charging adapter to prevent device damage.

  • How do I check the battery level on my Fire-Boltt Thunder device?

Turn on the screen and swipe up to check the battery level on your Fire-Boltt Thunder.

  • How can I extend my Fire-Boltt Thubder device's battery life?

The battery lasts for 5 days with bluetooth calling mode enabled.

If the bluetooth calling mode is disabled then the battery can last for 10 days.

On standby the battery can stay for as long as 30 days. 

Advisory- To conserve battery, It is advised to turn off the bluetooth when not in use.

  • Which adaptor should I use to charge my Fire-Boltt Thunder?

Please use a low power adapter or you can plug in the charging cable into a laptop or PC USB port. Do not use a fast charging adapter as it may damage the watch in the long run.

  • How does Fire-Boltt Thunder sync data?

Fire-Boltt Thunder syncs data over a Bluetooth connection with Da Fit app.

  • Does the watch sync with any other app?

Yes, it can sync with Google Fit and Apple Health via Da Fit App.

  • Does Fire-Boltt Thunder show notifications from social networking apps?

Fire-Boltt Thunder shows push notifications from social networking apps that have been synced with the Da Fit. Please ensure that the Da Fit app is running and locked in the background (Android).

  • Why isn't Fire-Boltt Thunder receiving notifications from my phone?

Possibly due to Bluetooth connectivity loss. Ensure that your watch & phone are within Bluetooth range with the alerts turned on in the app, which is kept running & locked in the background (Android). Also check whether the DND in the smartwatch is turned on or not.

  • Can we see messages and caller info from my phone on the smartwatch?

Yes, you can see messages and caller information on your smartwatch as long as the watch is synced with the Da Fit app and is within Bluetooth range.

  • How can we see the caller information?

Turn on the call notification feature on the Da Fit app to see incoming call information.

  • Can I read incoming messages on my Fire-Boltt Thunder or will I only receive message notifications?

You will be notified of new messages on your Fire-Boltt Thunder once it is connected with the Da Fit app. You can read the message at the time you receive a notification. You also have the option to see previously received notifications.

  • What's the name of the app?

The name of the app is Da Fit.

  • How do I manage my Da Fit profile?

You can manage the Da Fit profile from the app. Open the App, go to Settings and Profile and manage your profile.

  • How do I track my workouts with my Da Fit app?

You can track your workout on the Daily Report section of the app. Open the Da Fit app. Go to the Daily Report section of the page and get your daily report.

  • How do I change the units of measurement on my Fire-Boltt Thunder device?

You cannot change the units of measurement on your Da Fit app once set.

  • What is the function of SpO2?

SpO2 monitor measures the oxygen level in your blood.

  • How does Fire-Boltt Thunder estimate how many calories I've burned?

Fire-Boltt Thunder estimates the number of calories burned based on your heart rate, activity duration, steps taken, distance covered, height, weight and age.

  • How do I track my heart rate with my Fire-Boltt Thunder?

Fire-Boltt Thunder can detect heart rate both manually or automatically. You can track your heart rate with Da Fit App.

  • Why don't I see my heart rate on my Fire-Boltt Thunder?

You can see heart rate on your Fire-Boltt Thunder smartwatch provided you are wearing it on your wrist and there is no space between the watch and wrist. For detailed analysis, you can check the Da Fit app.

  • Does this watch synchronize the sleep if the app is not connected?

Yes, Fire-Boltt Thunder will measure your sleep even if not connected with the app. The data will be synced to the app, once connected. You can also view your daily sleep data on your smartwatch.

  • Does it have a Pedometer?

Yes, Fire-Boltt Thunder comes with an in-built pedometer.

  • Does Fire-Boltt Thunder has female health tracking option?

Yes, Fire-Boltt Thunder comes with a female health tracking feature.

  • Is Fire-Boltt Thunder compatible with iPhone?

Fire-Boltt Thunder is compatible with all iPhones running on iOS 8.0 and above.

  • Is Fire-Boltt Thunder compatible with Android?

Fire-Boltt Thunder is compatible with all Android phones running on Android version 4.4 and above.

  • How do I change the wristband on my Fire-Boltt Thunder device?

The mechanism to remove and replace the band can be found on the underside of the watchband.

  • Is there a warranty for this product?

Yes, there is a 1-year manufacturing warranty from the date of delivery of the product.

  • Where do I register for the product warranty?

You can register your warranty here


  • Fire-Boltt Thunder has an IP68 rating. Devices backed by an international standard rating of IP68 are deemed fit enough to withstand dust, dirt and sand, and are resistant to submersion up to a maximum depth of 1m underwater for up to thirty minutes. If the device or your hands are wet, they must be dried thoroughly before handling. Note: Avoid using the watch during scuba diving or high-speed water sport.
  • Fire-Boltt Thunder is meant for only general wellness and fitness purposes and not for medical purposes.
  • To get the best user experience of Thunder sync with the Da Fit and pair it with your compatible smartphone.
  • Battery life varies with use and other factors.
  • Fire-Boltt Thunder takes approx. 2 hours to charge.
  • 24/7 Heart Rate monitor tracks your Heart Rate at an interval of 5 minutes.
  • The actual product may differ slightly in appearance to illustrations/pictures provided.



We firmly believe that there is a spark in all of us. A spark, that embodies all our passions, A spark, that is craving to be ignited. 

Our goal, over the years has been to provide you with the world class products equipped with latest technology, that ignite the fire in you. 

Wear the Boltt look

Stunning designs just for #YOU.

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Sale Price: ₹4,799
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