OnePlus Buds 3 specifications and in-depth review

OnePlus Buds 3

Manufacturer: OnePlus

The OnePlus Buds 3 are true wireless in-ear earbuds that pack a practical set of features into a lightweight 9.6 g design. They carry an IP55 rating, making them resistant to water and dust, which adds a layer of durability for daily use. With active noise cancellation supported alongside passive noise reduction and an ambient sound mode, they cover the core listening needs of most users. A travel bag is included in the box, and in/on-ear detection enables automatic playback pause when the earbuds are removed.

Each earbud uses an 11 mm driver unit with a neodymium magnet, covering a frequency range of 15 Hz to 40,000 Hz at 16 Ohms impedance, and spatial audio is supported. On the connectivity side, the buds run on Bluetooth 5.3 with AAC and LDHC codec support, fast pairing, and a quoted audio latency of 94 ms, though aptX and LDAC are not available. The earbuds hold 58 mAh and last up to 10 hours per charge, with the 520 mAh charging case extending total playback to 34 hours; fast charging is supported via USB-C. A six-microphone array with noise cancellation handles calls, and multipoint connectivity allows simultaneous pairing with two devices.

Pros
  • IP55 rating provides resistance to both water and dust, adding durability for active everyday use
  • Six-microphone array with noise cancellation supports clearer call quality in noisy environments
  • In/on-ear detection automatically pauses playback when the earbuds are removed
  • Fast charging support reduces downtime when the battery runs low
  • Multipoint connectivity allows simultaneous pairing with two devices at once
  • A travel bag is included in the box, aiding portability and storage
Cons
  • Battery life drops to 6.5 hours with ANC active, which may not last a full day for some users
  • Wireless charging is not supported, requiring a wired connection to charge the case
  • No aptX codec support in any of its variants, limiting wireless audio codec options for compatible devices
  • Bluetooth range is capped at 10 m, which can be restrictive when moving away from the source device
  • The warranty period is only 1 year, offering limited long-term coverage
Who is this for?

The OnePlus Buds 3 are well-matched to commuters and active users who need reliable noise management throughout the day, thanks to their active and passive noise cancellation combined with an IP55 rating that handles sweat and light rain. The in/on-ear detection, ambient sound mode, and six-microphone noise-canceling array make them a practical choice for those who frequently switch between listening and taking calls. Users who regularly move between devices will also benefit from multipoint connectivity supporting two simultaneous pairings, and the inclusion of a travel bag makes them easy to carry on the go.

Who is this NOT for?

Listeners who prioritize high-resolution wireless audio will find the codec support limiting, as the buds lack aptX in all its variants as well as LDAC, leaving only AAC and LDHC for elevated audio transmission. The 6.5-hour ANC battery life may fall short for users who rely on noise cancellation during long-haul travel or extended work sessions, and the absence of wireless charging adds a step for those accustomed to simply placing their case on a charging pad. The 10 m Bluetooth range also makes these earbuds less suited to users who need freedom of movement across larger spaces.

Design:

Fit In-ear
Ingress Protection (IP) rating IP55
water resistance Water resistant
weight 9.6 g
has no wires or cables
are neckband earbuds
wingtips included
has RGB lighting
has stereo speakers
has UV light
Has a display

The OnePlus Buds 3 use an in-ear fit and are fully true wireless, with no cables or neckband connecting the two earbuds. They weigh 9.6 g and carry an IP55 rating, meaning they are resistant to both water and dust. Stereo speakers are built in, while wingtips, RGB lighting, a UV light, and a display are all absent from the design.

Sound quality:

has active noise cancellation (ANC)
has passive noise reduction
driver unit size 11 mm
lowest frequency 15 Hz
highest frequency 40000 Hz
supports spatial audio
has Dolby Atmos
has Dirac Virtuo
impedance 16 Ohms
has a neodymium magnet

The OnePlus Buds 3 feature both active noise cancellation and passive noise reduction, giving them a dual approach to blocking out unwanted sound. Each earbud uses an 11 mm driver unit with a neodymium magnet, operating at 16 Ohms impedance and covering a frequency range of 15 Hz to 40,000 Hz. Spatial audio is supported, while Dolby Atmos and Dirac Virtuo are not available on this model.

Power:

Battery life 10 hours
Battery life of charging case 34 hours
Battery life (ANC) 6.5 hours
charge time 1.5 hours
battery power 58 mAh
battery power (charging case) 520mAh
has wireless charging
Has a solar power battery
has a battery level indicator
has a rechargeable battery

Each earbud holds a 58 mAh rechargeable battery, delivering up to 10 hours of playback or 6.5 hours with ANC enabled, and the 520 mAh charging case extends total battery life to 34 hours. A full charge takes 1.5 hours, and a battery level indicator is included to keep track of remaining power. Wireless charging and solar charging are not supported, so the case must be charged via a wired connection.

Connectivity:

has fast pairing
Has USB Type-C
Bluetooth version 5.3
has LDAC
has LDHC
has Bluetooth LE Audio
has aptX Adaptive
has aptX Low Latency
has aptX HD
has aptX
has aptX Lossless
audio latency 94 ms
has aptX Voice
has Auracast
maximum Bluetooth range 10 m
supports Bluetooth pairing using NFC
Can be used wirelessly
has AAC

The OnePlus Buds 3 connect wirelessly via Bluetooth 5.3 with a maximum range of 10 m, and support both AAC and LDHC codecs for audio transmission. Fast pairing is available, while NFC pairing, Bluetooth LE Audio, and Auracast are not supported. The aptX family of codecs — including aptX, aptX HD, aptX Adaptive, aptX Low Latency, aptX Lossless, and aptX Voice — is also absent. Audio latency is rated at 94 ms, and the charging case uses USB-C for wired charging.

Features:

has ambient sound mode
has in/on-ear detection
has find device feature
Supports fast charging
multipoint count 2
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
Has a built-in camera remote control function

The OnePlus Buds 3 include a solid set of practical features, among them ambient sound mode, in/on-ear detection for automatic playback pause, a mute function, and voice prompts for audio feedback. Fast charging is supported, and the earbuds can connect to two devices simultaneously via multipoint pairing. A find device feature helps locate misplaced earbuds, and controls are handled through an on-device panel rather than an in-line remote. The buds can function as a headset for calls, and a travel bag is included in the box. Notification readout, a temperature sensor, and a camera remote function are not available, and the product comes with a 1-year warranty.

Microphone:

number of microphones 6
has a noise-canceling microphone
mic sensitivity -38dBV/Pa

The OnePlus Buds 3 are equipped with a six-microphone array that includes noise cancellation, designed to reduce background noise during calls. The microphones have a sensitivity rating of -38dBV/Pa, which reflects their ability to pick up sound at a given input level.

Final Verdict

The OnePlus Buds 3 shape up as a competent pair of true wireless earbuds built around the needs of everyday commuters and active users who want reliable noise management, clear call performance, and practical convenience features. The six-microphone noise-canceling array, IP55 rating, and multipoint connectivity give it a well-rounded feature set for daily use, while fast charging and in/on-ear detection add to the overall ease of use. Those chasing high-resolution audio transmission or all-day ANC endurance may find the codec selection and battery limits a constraint, but for users whose priorities center on noise cancellation, durability, and seamless device switching, the OnePlus Buds 3 deliver a focused and functional experience.

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