Published Oct 17, 2025 3 min read

The Boult Z40 earbuds are a perfect blend of style, affordability, and functionality, making them a popular choice for tech enthusiasts in India. With their sleek design, impressive sound quality, and long-lasting battery life, the Boult Z40 caters to users seeking high performance at a budget-friendly price point. Moreover, Bajaj Finserv offers Easy EMI Loan options, allowing you to purchase these feature-rich earbuds without straining your finances. 


With Bajaj Finserv’s EMI Network, enjoy benefits like Easy EMIs, zero down payment, and instant financing when you shop at any of 1.5 lakh plus Bajaj Finserv partner stores in 4,000 cities. Check your loan eligibility online in minutes—so you know exactly what you can get, before you even step into the store.

Boult Z40 earbuds- Overview

The Boult Z40 earbuds are a stylish and budget-friendly TWS option designed for everyday use. With a sleek stem-style design and snug in-ear fit, they offer comfort and decent passive noise isolation. Powered by Bluetooth 5.3, these earbuds ensure stable connectivity and low latency, ideal for streaming and gaming. The standout feature is the massive 60-hour battery backup (including the case), along with fast charging support. 


 

You also get deep bass output, 10mm drivers, touch controls, voice assistant support, and an IPX5 water-resistant build — making them a solid pick for workouts and daily commutes. Whether you are after style, sound, or value, the Boult Z40 delivers a well-rounded experience in its price range.


You can now make your purchase even more affordable with the Maha Bachat Calculator. Bring down the cost of electronics and appliances by combining brand discounts, dealer offers, and EMI deals—all in one place. Calculate your extra savings instantly and shop smarter today.


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Key features of the Boult Z40 earbuds

Experience music like never before with the Boult Z40 earbuds. Designed for comfort, long battery life, and powerful sound, these earbuds make every listening session enjoyable. Whether you are travelling, working out, or relaxing at home, these earbuds deliver excellent audio performance and convenience.

  • True wireless design – Enjoy a completely wire-free experience for hassle-free listening.
  • Deep bass and clear sound – Feel every beat and hear every detail of your favourite music.
  • Noise cancellation – Block out unwanted sounds and focus on your music or calls.
  • Long battery life – Up to 8 hours of playback and 24 hours with the charging case.
  • Fast charging – Get 1 hour of playtime with just 10 minutes of charging.
  • Comfort fit – Ergonomic design ensures the earbuds stay secure and comfortable all day.
  • IPX5 water resistance – Protects against sweat and light rain during workouts.


 

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Boult Z40 earbuds – Key specs

The Boult Z40 earbuds are packed with features that make them ideal for daily use. The combination of long battery life, fast charging, and noise cancellation ensures you enjoy uninterrupted music wherever you go. Here is a quick overview of the key specifications and what they mean for you.

FeatureSpecificationWhat it means for you
ConnectivityBluetooth 5.0Quick pairing with devices and stable connection
Playtime8 hours (earbuds), 24 hours (with case)Listen all day without frequent charging
ChargingUSB Type-C, Fast ChargingGet 1 hour of playtime in just 10 minutes
Noise cancellationYesFocus on music or calls without distractions
Weight4 g per earbudComfortable to wear for long periods
Colour optionsBlack, WhiteChoose a style that suits your personality
Water resistanceIPX5Safe to use during workouts or light rain


 

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Sound quality and performance of Boult Z40

The Boult Z40 earbuds deliver impressive sound that makes every song enjoyable. With deep bass and crystal-clear audio, you can feel the rhythm and hear every detail. The earbuds also come with noise cancellation, helping you focus on your music or calls without distractions. Whether you are commuting, exercising, or relaxing at home, these earbuds provide a smooth and immersive listening experience. The true wireless design ensures freedom of movement, while the ergonomic fit keeps them comfortable for long hours. 


Battery life and charging of Boult Z40

The Boult Z40 earbuds are built for long hours of uninterrupted listening. They provide up to 8 hours of playback on a single charge, and the charging case extends it to 24 hours. Fast charging ensures you can get 1 hour of playtime with just 10 minutes of charging, making them perfect for busy lifestyles. Lightweight at just 4 g per earbud, they are easy to wear throughout the day.

Sound quality of Boult Z40 earbuds

The Boult Z40 earbuds deliver superior sound quality, ensuring an immersive audio experience. Whether you are listening to your favourite tracks or attending virtual meetings, these earbuds provide exceptional clarity and balanced sound profiles.


 

Key sound features:


 

  • Rich bass for a powerful audio experience.
  • Crystal-clear vocals for enhanced communication.
  • Effective noise isolation to minimise external disturbances.
  • High-performance audio drivers for detailed sound reproduction.
  • Compatibility with smartphones, tablets, laptops, and other Bluetooth-enabled devices.


 

These features make the Boult Z40 a standout choice for users who demand premium sound quality at an affordable price.


Price of the Boult Z40 earbuds in India (October2025)


As of October 2025, the price of the Boult Z40 in India varies depending on the specific model and where it is purchased. The standard Boult Z40 is priced around ₹999 on the official GOBOULT website. Higher-end variants, such as the Z40 Gaming and Z40 Pro, are priced higher. 


Disclaimer: The features, availability, and pricing of each model are subject to change and may vary. For the most accurate and up-to-date information, please visit the official website.     
Note: You can use Bajaj Finserv’s financing options to split any purchase above Rs. 5,000 into Easy EMIs.                     


You can also explore the latest offers on a wide range of electronics and home appliances, making sure you get the best deal on every purchase.

Tips to maintain Boult Z40 earbuds

To ensure the longevity of your Boult Z40 earbuds, it is essential to follow proper maintenance practices. Here are some tips to keep your earbuds in top condition:


  • Regular cleaning: Use a soft, dry cloth to clean the earbuds and charging case. Avoid using liquids or abrasive materials.
  • Proper charging practices: Charge the earbuds using the provided cable and avoid overcharging to protect the battery.
  • Safe storage: Store the earbuds in their case when not in use to prevent damage.
  • Avoid misuse of controls: Handle the touch controls gently to avoid wear and tear.

By following these simple tips, you can extend the life of your Boult Z40 earbuds and enjoy uninterrupted performance.


 

Should you buy the Boult Z40 earbuds

The Boult Z40 earbuds are an excellent choice for anyone seeking a balance between style, performance, and affordability. With features like superior sound quality, long battery life, and ergonomic design, these earbuds offer great value for their price. 


If you are looking for reliable earbuds that deliver on both functionality and budget, the Boult Z40 is worth considering. Add to that Bajaj Finserv’s Easy EMI options, and your purchase becomes even more convenient.

Get earbuds on Easy EMIs with Bajaj Finserv.

Buying your preferred earbuds does not have to strain your budget. With Bajaj Finserv, you can break down the total cost into affordable monthly EMIs, making it easier to bring home your preferred earbuds. Select models also come with a zero down payment offer, so you can purchase without paying anything upfront. Start by checking your pre-approved loan limit online. Then, visit a nearby Bajaj Finserv partner store, choose the earbuds model that best fits your needs, and select a repayment plan that suits your monthly budget.


 

Benefits of shopping with Bajaj Finserv

● Top brands at great prices: Get value deals on leading earbuds brands across Bajaj Finserv partner stores.
● Easy EMIs: Turn your purchase into small, manageable instalments to ease monthly spending.
● Zero down payment on select models: Take home select earbuds without paying anything upfront.
● Wide availability across India: Explore models at 1.5 lakh Bajaj Finserv partner stores in 4,000 cities.
● Free doorstep delivery: Enjoy hassle-free delivery of select earbuds models, right to your home.

Bringing home your preferred smartwatch is now hassle-free with Bajaj Finserv’s flexible financing options. You can also maximise your savings by using the Maha Bachat Savings Calculator—a smart tool that combines brand offers, dealer offers, and EMI offers, all in one place, helping you lower the overall cost while still paying in small, bite-sized instalments. Follow these steps to get started: 


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Frequently asked questions

Can I buy earbuds on EMI?

Yes, you can purchase your preferred earbuds with Bajaj Finserv’s Easy EMI options. If you are an existing user of the Bajaj Finserv Insta EMI Card:

  • Explore a wide range of earbuds on Bajaj Mall
  • Choose the preferred model and visit a Bajaj Finserv partner store to check it out in person
  • Use your EMI Network Card and avail of Easy EMIs for affordable monthly payments
  • Enjoy your new earbuds on Easy EMIs

If you do not have one, there is no need to worry. Check your Insta EMI Card eligibility and take the first step towards enjoying the affordability and convenience of Easy EMIs

Is the Boult Z40 worth buying?

The Boult Z40 is a fantastic choice for anyone looking for a blend of style, performance, and affordability. From its superior sound quality to long-lasting battery life, it delivers excellent value for its price.

How long does the Z40 battery last?

The Boult Z40 offers up to 60 hours of playback on a single charge, making it ideal for those who need extended performance.

Does the Boult Z40 support fast charging?

Yes, the Boult Z40 comes equipped with fast-charging support, allowing you to quickly juice up the earbuds for efficient use.

What makes the Z40 different?

The Boult Z40 stands out due to its exceptional sound quality, long battery life, and stylish design, all offered at an affordable price. You can make it even easier to purchase with Bajaj Finserv’s Easy EMI offers, which allows you to split the cost into monthly instalments effortlessly.

Are the Boult Z40 earbuds water or sweat resistant?

Yes, the Boult Z40 earbuds come with an IPX5 rating, making them resistant to sweat and light rain. You can use them during workouts, outdoor activities, or short rain showers without worry. They are designed to handle everyday moisture while keeping your music uninterrupted.

What Bluetooth version does Boult Z40 use?

The Boult Z40 earbuds use Bluetooth 5.0, ensuring fast and stable connectivity with your devices. This version provides low latency, efficient power usage, and a reliable connection for calls and music. You can enjoy a seamless true wireless experience without frequent disconnections or interruptions.

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You can use the Bajaj Finserv App to:

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Disclaimer

1. Bajaj Finance Limited (“BFL”) is a Non-Banking Finance Company (BAJAJ FINANCE) and Prepaid Payment Instrument Issuer offering financial services viz., loans, deposits, Bajaj Pay Wallet, Bajaj Pay UPI, bill payments and third-party wealth management products. The details mentioned in the respective product/ service document shall prevail in case of any inconsistency with respect to the information referring to BFL products and services on this page.

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