OnePlus Buds 4

Name: OnePlus Buds 4
Brand: OnePlus
SKU: 3298

Manufacturer: OnePlus

The OnePlus Buds 4 are true wireless earbuds designed for a comfortable in-ear fit. With a weight of just 9.46g, they offer features such as active noise cancellation and passive noise reduction for an enhanced listening experience. Ambient sound mode and fast charging are also included, ensuring convenience for daily use.

These earbuds come with an 11mm driver unit and a frequency range of 15 Hz to 40,000 Hz for clear sound quality. The battery offers up to 11 hours of playback and up to 34 hours with the charging case. The Bluetooth 5.4 connectivity provides stable pairing, and the earbuds support dual-device multipoint connectivity. With 6 microphones and noise-canceling capabilities, they also deliver clear voice calls.

Pros

Supports fast pairing for quick and easy setup.
Water-resistant with an IP55 rating, making it suitable for use during workouts or in light rain.
Includes a built-in translator, which can be helpful for language support on the go.
The charging case provides up to 34 hours of additional battery life, offering extended usage between charges.
Equipped with 6 microphones and a noise-canceling microphone, improving call quality and voice clarity.

Cons

Does not support wireless charging, requiring a wired connection for recharging.
No support for LDAC or aptX codecs, limiting high-resolution audio streaming options.
Lacks NFC pairing, which could have streamlined the connection process with compatible devices.
No built-in camera remote control functionality, limiting its versatility for media capture.
No support for Dolby Atmos or other advanced spatial audio technologies, which may affect audio immersion.

Who is this for?

The OnePlus Buds 4 are well-suited for users who prioritize portability and convenience. Their lightweight design (9.46g) and water resistance (IP55 rating) make them a good choice for fitness enthusiasts or those who need reliable earbuds for daily commuting or outdoor activities. With features like fast pairing and a long battery life (up to 34 hours with the charging case), these earbuds cater to users who value quick, hassle-free use and extended listening without frequent recharges.

Who is this NOT for?

LDAC and aptX, which could limit the audio experience for those who prioritize detailed sound. Additionally, their absence of wireless charging and lack of advanced audio technologies like Dolby Atmos may make them less appealing to users seeking a more premium, feature-rich audio experience.

Design:

Fit	In-ear
Ingress Protection (IP) rating	IP55
water resistance	Water resistant
weight	9.46 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 4 feature an in-ear fit design, weighing just 9.46g for a lightweight and comfortable wearing experience. With an IP55 rating, they are water resistant, offering protection against sweat and light rain. These true wireless earbuds do not have a neckband or wingtips, and they lack RGB lighting or a display. They also come equipped with stereo speakers for an immersive audio experience.

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	18 Ohms
sound pressure level	96.5 dB/mW
has a neodymium magnet	✕

The OnePlus Buds 4 deliver a high-quality audio experience with features like active noise cancellation (ANC) and passive noise reduction for an immersive sound environment. The 11mm driver unit produces a wide frequency range from 15 Hz to 40,000 Hz, ensuring clear and rich sound. These earbuds also support spatial audio for a more dynamic listening experience, with an impedance of 18 Ohms and a sound pressure level of 96.5 dB/mW.

Power:

Battery life	11 hours
Battery life of charging case	34 hours
Battery life (ANC)	6 hours
charge time	1.333 hours
battery power	62 mAh
battery power (charging case)	530mAh
has wireless charging	✕
Has a solar power battery	✕
has a battery level indicator	✓
has a rechargeable battery	✓

The OnePlus Buds 4 provide up to 11 hours of battery life on a single charge, with an additional 34 hours provided by the charging case. When using active noise cancellation (ANC), the battery lasts for 6 hours. Charging takes just 1.333 hours, and the earbuds feature a battery level indicator to keep you informed. Both the earbuds and the charging case come with rechargeable batteries, with the case offering a battery power of 530mAh and the earbuds themselves 62mAh.

Connectivity:

has fast pairing	✓
Has USB Type-C	✓
Bluetooth version	5.4
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	47 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 4 offer reliable connectivity with Bluetooth 5.4, ensuring a stable connection within a maximum range of 10 meters. They support fast pairing for quick setup and feature USB Type-C for charging. While they support the LDHC codec and AAC audio codec, they do not include support for LDAC, Bluetooth LE Audio, or NFC pairing.

Features:

release date	July 2025
has ambient sound mode	✓
has in/on-ear detection	✓
has find device feature	✓
Supports fast charging	✓
multipoint count	2
can read notifications	✕
Has a built-in translator	✓
has a mute function	✓
can be used as a headset	✓
control panel placed on a device	✓
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 4 come equipped with several practical features, including ambient sound mode for improved situational awareness and in/on-ear detection for automatic music pausing. They support fast charging for quick power-ups and can connect to two devices simultaneously with their multipoint feature. Additionally, they include a built-in translator, a mute function, and voice prompts to enhance the user experience. A travel bag is also included for easy portability.

Microphone:

number of microphones	6
has a noise-canceling microphone	✓

The OnePlus Buds 4 are equipped with a total of 6 microphones, including a noise-canceling microphone for clear communication and reduced background noise during calls or recordings.

Final Verdict

The OnePlus Buds 4 offer a solid blend of convenience and functionality, making them a suitable choice for users seeking lightweight, water-resistant earbuds with excellent battery life and fast pairing. With features like in/on-ear detection and a built-in translator, they cater well to active lifestyles and day-to-day use. However, for audiophiles or users who prioritize high-end audio technologies, the lack of support for LDAC and other advanced audio features may be a limitation. Overall, these earbuds excel in practicality and ease of use for general consumers, but may not meet the demands of those seeking high-resolution audio or premium features.