boAt Immortal 121 Hulk Edition vs boAt Airdopes Fuel – Full Comparison & Verdict (2026)

1 Year warranty. With an IPX4 rated water resistant build, one can stay immersed in the zone in a carefree manner. Immortal 121 provides a total playtime of up to 40 hours including 10 hours of playtime per charge. Set your surrounding vibes the way you want along with the earbuds equipped with the blazing LEDs. Our ASAP Charge tech helps the earbuds go garner up to 180 minutes of playtime in just 10 minutes. Itâ€™s here to enthral you with the boAt Signature Sound experience while you conquer different levels on your gaming missions. It comes equipped with ENx tech enabled quad mics for a superior calling experience as you get to be heard better every time. Itâ€™s time to hit your gaming zone with the TWS gaming earbuds, Immortal 121 that come equipped with BEAST Mode to offer super low latency of 40ms.

1 Year warranty. It offers a total playtime of up to 50HRS, including up to 8HRS of playtime per earbud. The earphones' Bluetooth v5.3 wireless technology ensures a Seamless listening experience. The earbuds are marked with IPX4 water resistance for a carefree listening time wherever you go. The IWP tech makes it easier to power on the earbuds which occur as soon as you open the case lid. Thanks to our ASAP Charge technology, the earbuds can be fully charged and ready to play in just 10 minutes. With the 10mm audio drivers in the Airdopes Fuel TWS earbuds to experience the boAt immersive auditory experience. Enjoy a lag-less gaming and entertainment experience with BEAST Mode for low latency so that your sessions always stay smooth. Be heard clearly across voice calls wherever you are with the ENx Tech-enabled Airdopes Fuel, that cancels out unwanted background noise during calls.

Key Differences

Both headphones are equipped with capable drivers that deliver balanced sound output suitable for music, calls, and entertainment. Both models provide a wide frequency range, delivering a balanced audio experience across different types of content. From a usability standpoint, both models provide a reliable and premium headphone experience. Both headphones are designed for comfort and can be used for extended listening sessions without major discomfort. boAt Airdopes Fuel and boAt Immortal 121 Hulk Edition are well-known options in the wireless headphone segment, offering a balance of audio quality, battery performance, and smart features. Both models feature noise cancellation, helping reduce background noise for a more immersive listening experience. Battery life varies between the two (8 / 42 Hours vs 10 / 30 Hours), which affects how long you can use them on a single charge. Both models support modern Bluetooth connectivity, ensuring stable wireless performance with compatible devices.

Verdict: Both headphones offer strong performance, and the right choice depends on your priorities such as battery life, comfort, and noise cancellation.

Top Differences

Battery Life: 8 / 42 Hours vs 10 / 30 Hours

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Key Differences

Top Differences