boAt Airdopes 121 Pro Plus specifications and in-depth review

boAt Airdopes 121 Pro Plus

Manufacturer: boAt

The boAt Airdopes 121 Pro Plus are true wireless in-ear earbuds designed for everyday use, offering a fully cable-free listening experience with a straightforward feature set. They carry an IPX5 rating for sweat resistance, making them a reasonable companion for workouts or outdoor activity. With a combined battery life of up to 92 hours when the charging case is factored in, the earbuds are geared toward users who want extended use between full recharges. A travel bag is included in the box, and voice prompts help guide the user through pairing and status updates.

Audio is handled by a 10 mm driver covering a frequency range of 20 Hz to 20,000 Hz, with passive noise reduction in place of active noise cancellation. Connectivity runs on Bluetooth 5.3 with a stated maximum range of 10 m and an audio latency of 50 ms. The earbuds do not support aptX, LDAC, AAC, or any other high-resolution codecs, and wireless charging is absent — recharging is done via USB Type-C with a charge time of around one hour, and fast charging is supported. Four microphones are built in, with noise cancellation on the microphone side for call clarity, and the earbuds can be used as a headset with on-device controls and a mute function.

Pros
  • The charging case holds enough power to extend total usage to 92 hours before needing a recharge itself
  • Four microphones with noise cancellation on the mic side support clearer call quality in varied environments
  • Fast charging is supported, reducing the time needed to top up between uses
  • IPX5 sweat resistance makes the earbuds suitable for use during physical activity
  • A battery level indicator lets users check remaining charge without relying on a separate app
  • A travel bag is included in the box, adding a practical storage option out of the package
Cons
  • Active noise cancellation is not available, so the earbuds rely solely on passive isolation from the eartip seal
  • No advanced audio codecs are supported — LDAC, AAC, aptX, and all aptX variants are absent, limiting audio transmission quality
  • Fast pairing and NFC pairing are both missing, requiring manual Bluetooth setup each time
  • Wireless charging is not supported, so the case must be charged via cable
  • In-ear detection is absent, meaning music does not pause automatically when an earbud is removed
  • There is no find-my-earbuds feature, which can be a practical drawback if a unit is misplaced
Who is this for?

These earbuds are a practical fit for users who prioritize long battery endurance, as the 92-hour combined capacity of the earbuds and case suits those who go extended periods without access to a charger. The IPX5 sweat resistance makes them a reasonable choice for gym sessions or outdoor activity where moisture exposure is a regular factor. Users who make frequent calls will also find value in the four-microphone setup with mic-side noise cancellation, which supports cleaner voice pickup in everyday environments.

Who is this NOT for?

Those who rely on active noise cancellation to block out ambient sound — whether commuting, working in open offices, or traveling — will find the passive-only isolation insufficient for those scenarios. Listeners who care about higher-resolution audio transmission will be limited by the absence of advanced codecs such as LDAC, aptX, or AAC, as the earbuds default to standard SBC. Users who also expect smart convenience features like automatic ear detection, ambient sound passthrough, or a find-my-earbuds function will find this model lacking in that regard.

Design:

Fit In-ear
Ingress Protection (IP) rating IPX5
water resistance Sweat resistant
has no wires or cables
are neckband earbuds
wingtips included
has stereo speakers

The earbuds use an in-ear fit and are fully true wireless, meaning there are no cables or neckband connecting the two units. Wingtips are not included, so the fit relies on the eartip seal alone. They feature stereo speakers and carry an IPX5 ingress protection rating, indicating resistance to sweat and water splashes, which makes them reasonably suited to use during physical activity.

Sound quality:

has active noise cancellation (ANC)
has passive noise reduction
driver unit size 10 mm
lowest frequency 20 Hz
highest frequency 20000 Hz
has a neodymium magnet

Audio is produced through a 10 mm driver unit covering a frequency range of 20 Hz to 20,000 Hz. Active noise cancellation is not included, but passive noise reduction is present, relying on the physical eartip seal to attenuate ambient sound. The earbuds do not use a neodymium magnet in their driver configuration.

Power:

Battery life 8 hours
Battery life of charging case 92 hours
charge time 1 hours
battery power 45 mAh
battery power (charging case) 500mAh
has wireless charging
has a battery level indicator
has a rechargeable battery

Each earbud carries a 45 mAh rechargeable battery delivering up to 8 hours of playback per charge, while the 500 mAh charging case extends total usage to 92 hours before the case itself needs to be recharged. A full charge takes approximately one hour, and wireless charging is not supported — the case recharges via a wired connection. A battery level indicator is built in, allowing users to monitor remaining charge without needing a companion app.

Connectivity:

has fast pairing
Has USB Type-C
Bluetooth version 5.3
has LDAC
has LDHC
has aptX Adaptive
has aptX Low Latency
has aptX HD
has aptX
has aptX Lossless
audio latency 50 ms
has aptX Voice
maximum Bluetooth range 10 m
supports Bluetooth pairing using NFC
Can be used wirelessly
has AAC

The earbuds connect wirelessly via Bluetooth 5.3 with a maximum stated range of 10 m and an audio latency of 50 ms. None of the advanced audio codecs are supported — LDAC, AAC, aptX, aptX HD, aptX Adaptive, aptX Low Latency, aptX Lossless, LDHC, and aptX Voice are all absent, meaning audio is transmitted using the standard SBC codec by default. Fast pairing and NFC-based pairing are not available, so initial setup follows a manual pairing process. The charging case uses USB Type-C for wired charging, and the earbuds can be used wirelessly without any physical cable connection during playback.

Features:

has ambient sound mode
has in/on-ear detection
has find device feature
Supports fast charging
can read notifications
has a mute function
can be used as a headset
control panel placed on a device
warranty period 1 years
Has voice prompts
travel bag is included
Has an in-line control panel
Has a temperature sensor

The earbuds support fast charging and can function as a headset, with controls placed directly on the device and a mute function available during calls. Voice prompts are included to provide audio feedback for pairing and status updates. A travel bag is included in the box, and the product comes with a one-year warranty. Features such as ambient sound mode, in-ear detection, a find-my-earbuds function, notification reading, in-line controls, and a body temperature sensor are not present on this model.

Microphone:

number of microphones 4
has a noise-canceling microphone

The earbuds are equipped with four microphones in total, and noise cancellation is applied on the microphone side to help reduce background sound during calls and voice interactions.

Final Verdict

The boAt Airdopes 121 Pro Plus is a straightforward set of true wireless earbuds that makes a reasonable case for itself through its 92-hour combined battery endurance and IPX5 sweat resistance — two attributes that align well with active, on-the-go use. The four-microphone setup with mic-side noise cancellation adds genuine call utility beyond basic listening. That said, the absence of active noise cancellation, advanced audio codecs, and smart convenience features means it is best approached as a functional daily-use option rather than a feature-rich audio product. Users who need a dependable wireless earbud with strong battery capacity and workout-friendly durability will find it meets those expectations; those with more demanding audio or feature requirements should weigh its limitations carefully before committing.

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