1. Rhagymadrodd
This manual provides detailed instructions for the safe and effective use of your OnePlus Buds 4 TWS Earbuds. Please read this manual thoroughly before using the product and retain it for future reference.

Image: OnePlus Buds 4 TWS Earbuds in Storm Gray charging case, open with earbuds inside.
2. Beth sydd yn y Bocs
Gwiriwch fod yr holl eitemau yn bresennol yn eich pecyn cynnyrch:
- OnePlus Buds 4 Earbuds (Left and Right)
- Achos Codi Tâl
- Cebl Codi Tâl USB
- Clustffonau (amrywiol feintiau)
- Llawlyfr Defnyddiwr
3. Cynnyrch Drosview
The OnePlus Buds 4 feature an in-ear design with a stem, housed in a compact charging case. The earbuds are equipped with dual drivers and dual DACs for enhanced audio performance.

Delwedd: Llun agos view of the OnePlus Buds 4 earbuds, highlighting the in-ear design.

Image: Diagram illustrating the internal components of the OnePlus Buds 4, including dual drivers and DACs.
4. Gosod
4.1 Gwefru'r Clustffonau a'r Cas
Before first use, fully charge the earbuds and charging case. Connect the provided USB cable to the charging port on the case and a power source. The indicator light on the case will show charging status.
- Mae gwefr lawn yn cymryd tua 1.5 awr.
- A 10-minute charge can provide up to 11 awr of music playback.
- Total battery life with the charging case is up to 45 awr (ANC off).

Image: Battery life and fast charging information for OnePlus Buds 4.
4.2 Paru gyda Dyfais
- Gwnewch yn siŵr bod y clustffonau yn y cas gwefru a bod caead y cas ar agor.
- Pwyswch a daliwch y botwm swyddogaeth ar y cas gwefru nes bod y golau dangosydd yn fflachio'n wyn, gan nodi modd paru.
- On your device (smartphone, tablet, or computer), enable Bluetooth and search for "OnePlus Buds 4" in the list of available devices.
- Select "OnePlus Buds 4" to complete the pairing process.
Google Fast Pâr: For Android devices, simply open the charging case near your phone, and a pop-up will appear for quick pairing.
Cysylltiad Dyfais Ddeuol: The earbuds support simultaneous connection to two devices (e.g., phone and laptop) for seamless switching.

Delwedd: Drosoddview of key features including connectivity, latency, and durability.
5. Cyfarwyddiadau Gweithredu
5.1 Rheolaethau Cyffwrdd
The OnePlus Buds 4 feature customizable touch controls for various functions:
- Llithro i fyny / i lawr: Cynyddu neu leihau cyfaint.
- Long touch/hold: Switch between Active Noise Cancellation (ANC), Adaptive, and Transparency modes.
- Tap sengl: Chwarae neu oedi cerddoriaeth.
- Tap dwbl: Neidio i'r gân nesaf.
- Tap triphlyg: Go to the previous song.
These settings can be customized further via the HeyMelody app (for non-OnePlus users) or phone settings (for OnePlus users).

Image: Customizable touch controls for the OnePlus Buds 4.
5.2 Active Noise Cancellation (ANC) & Adaptive Mode
The earbuds offer up to 55 dB of real-time adaptive noise cancellation, adjusting up to 800 times per second based on ambient noise. The Modd Addasol dynamically switches between ANC and Transparency modes for optimal listening in various environments.

Image: Real-time dynamic Active Noise Cancellation capabilities.

Image: All-New Adaptive Mode for dynamic noise control.
5.3 Nodweddion Sain
Experience high-fidelity audio with dual DACs, an 11mm woofer, and a 6mm tweeter. The earbuds support LHDC 5.0 for studio-grade Hi-Res audio up to 1 Mbps 24-bit 192kHz.
- Sound Master EQ: Choose from pre-tuned EQ presets (Balanced, Serenade, Bass Mode) or customize your sound.
- Golden Sound: A personalized ear scan and listening test create a bespoke audio profile.
- OnePlus 3D Audio: Tailor your stereo soundscape for enhanced realism.

Image: Near Lossless sound quality with LHDC 5.0.

Image: Sound Master EQ and Golden Sound features for personalized listening.
5.4 Ansawdd Galwadau
The 3-mic system, powered by AI Clear Call algorithm, filters out ambient noise and wind for clear calls. It offers a 200% boost in voice cancellation compared to previous models.

Image: Illustration of the 3-mic system for clear calls.
5.5 Oedi Isel
Gydag a 47ms latency isel in game mode, audio syncs perfectly with your actions, providing a smoother gaming experience.
5.6 AI Translation & Voice Assistant
Three earbud taps can activate AI Translation on compatible OnePlus phones for real-time conversation in multiple languages. You can also use voice assistant shortcuts (Google Gemini, Google Assistant, or Apple Siri) for various tasks.

Image: AI Translation and AI Assistance features.
6. cynnal
6.1 Glanhau
Regularly clean your earbuds and charging case to maintain optimal performance and hygiene. Use a soft, dry, lint-free cloth. Do not use abrasive materials or harsh chemicals.
- Gently wipe the earbuds, especially the eartips and mesh areas, to remove earwax or debris.
- Glanhewch y cysylltiadau gwefru ar y clustffonau a thu mewn i'r cas.
- Wipe the exterior of the charging case.
6.2 Gwrthiant Dŵr a Llwch
The OnePlus Buds 4 earbuds have an Sgôr IP55 for dust and water resistance, protecting them from sweat and light rain. The charging case is not water-resistant. Avoid submerging the earbuds in water. Water and dust resistance may diminish with device aging and are not covered under warranty if damage occurs.
7. Datrys Problemau
If you encounter issues with your OnePlus Buds 4, refer to the following common solutions:
- Clustffonau ddim yn paru: Ensure earbuds are charged, in the case with the lid open, and in pairing mode. Turn off and on your device's Bluetooth. Try resetting the earbuds (refer to the full user guide for specific reset instructions).
- Dim sain neu ansawdd sain gwael: Check volume levels on both earbuds and your connected device. Ensure earbuds are clean and properly seated in your ears. Try re-pairing the earbuds.
- Materion codi tâl: Verify the charging cable and power adapter are working. Ensure charging contacts on earbuds and case are clean and free of debris.
- Nid yw'r ANC yn gweithio'n effeithiol: Ensure earbuds are properly fitted in your ears. Try switching between ANC, Adaptive, and Transparency modes.
For more detailed troubleshooting, visit the official OnePlus support websafle.
8. manylebau
| Nodwedd | Manyleb |
|---|---|
| Enw Model | OnePlus Buds 4 |
| Rhif Model | E513A |
| Rheoli Sŵn | Adaptive Noise Cancellation (up to 55 dB) |
| Technoleg Cysylltedd | Di-wifr (Bluetooth 5.4) |
| Amrediad Bluetooth | 10 Metres (up to 250m with Steady Connect on select OnePlus phones) |
| Math Gyrrwr Sain | Dynamic Driver (11mm woofer, 6mm tweeter) |
| Latency Sain | 47 Milliseconds (Game Mode) |
| Bywyd Batri (Clustffonau) | Up to 11 hours (ANC off, AAC) |
| Bywyd Batri (Cyfanswm gyda Chas) | Up to 45 hours (ANC off, AAC) |
| Amser Codi Tâl | 1.5 Awr |
| Lefel Gwrthsefyll Dŵr | IP55 (Clustffonau yn unig) |
| Pwysau Eitem | 49 Gram (cyfanswm) |
| Deunydd | Plastig |
| Dyfeisiau Cydnaws | Cellphones, Desktops, Laptops, Smart Watch, Tablets |
9. Gwarant a Chefnogaeth
Your OnePlus Buds 4 are covered by a limited warranty. Please refer to the warranty card included in your package or visit the official OnePlus websafle am delerau ac amodau gwarant manwl.
For further assistance, product registration, or to access the latest software updates, please visit the OnePlus Official Store or the OnePlus support websafle.