1. Utangulizi
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. Ni nini kwenye Sanduku
Thibitisha kuwa bidhaa zote zipo kwenye kifurushi chako cha bidhaa:
- OnePlus Buds 4 Earbuds (Left and Right)
- Kesi ya Kuchaji
- Kebo ya Kuchaji ya USB
- Eartips (saizi mbalimbali)
- Mwongozo wa Mtumiaji
3. Bidhaa Imeishaview
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.

Picha: Karibu 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. Kuweka
4.1 Kuchaji vifaa vya masikioni na Kipochi
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.
- Chaji kamili inachukua takriban 1.5 masaa.
- A 10-minute charge can provide up to 11 masaa of music playback.
- Total battery life with the charging case is up to 45 masaa (ANC off).

Image: Battery life and fast charging information for OnePlus Buds 4.
4.2 Kuoanisha na Kifaa
- Hakikisha vifaa vya sauti vya masikioni viko kwenye kisanduku cha kuchaji na kifuniko cha kisanduku kimefunguliwa.
- Press and hold the function button on the charging case until the indicator light flashes white, indicating pairing mode.
- 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 Jozi: For Android devices, simply open the charging case near your phone, and a pop-up will appear for quick pairing.
Muunganisho wa Vifaa viwili: The earbuds support simultaneous connection to two devices (e.g., phone and laptop) for seamless switching.

Picha: Juuview of key features including connectivity, latency, and durability.
5. Maagizo ya Uendeshaji
5.1 Vidhibiti vya Kugusa
The OnePlus Buds 4 feature customizable touch controls for various functions:
- Telezesha juu/chini: Ongeza au punguza sauti.
- Long touch/hold: Switch between Active Noise Cancellation (ANC), Adaptive, and Transparency modes.
- Mguso mmoja: Cheza au sitisha muziki.
- Gusa mara mbili: Ruka hadi kwa wimbo unaofuata.
- Bomba mara tatu: Nenda kwenye wimbo uliopita.
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 Njia inayofaa 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 Sifa za Sauti
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 Ubora wa Simu
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 Uchelewaji wa Chini
Pamoja na a Muda wa chini wa 47ms 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. Matengenezo
6.1 Kusafisha
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.
- Safisha anwani za kuchaji kwenye vifaa vya sauti vya masikioni na ndani ya kipochi.
- Wipe the exterior of the charging case.
6.2 Kustahimili Maji na Vumbi
The OnePlus Buds 4 earbuds have an Ukadiriaji wa 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. Utatuzi wa shida
If you encounter issues with your OnePlus Buds 4, refer to the following common solutions:
- Vifaa vya sauti vya masikioni havioanishi: 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).
- Hakuna sauti au ubora duni wa sauti: 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.
- Masuala ya malipo: Verify the charging cable and power adapter are working. Ensure charging contacts on earbuds and case are clean and free of debris.
- ANC haifanyi kazi ipasavyo: 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 webtovuti.
8. Vipimo
| Kipengele | Vipimo |
|---|---|
| Jina la Mfano | OnePlus Buds 4 |
| Nambari ya Mfano | E513A |
| Udhibiti wa Kelele | Adaptive Noise Cancellation (up to 55 dB) |
| Teknolojia ya Uunganisho | Isiyo na waya (Bluetooth 5.4) |
| Msururu wa Bluetooth | 10 Metres (up to 250m with Steady Connect on select OnePlus phones) |
| Aina ya Kiendesha Sauti | Dynamic Driver (11mm woofer, 6mm tweeter) |
| Ucheleweshaji wa Sauti | Milisekunde 47 (Hali ya Mchezo) |
| Maisha ya Betri (Earbuds) | Up to 11 hours (ANC off, AAC) |
| Maisha ya Betri (Jumla yenye Kipochi) | Up to 45 hours (ANC off, AAC) |
| Muda wa Kuchaji | Saa 1.5 |
| Kiwango cha Upinzani wa Maji | IP55 (Earbuds pekee) |
| Uzito wa Kipengee | Gramu 49 (jumla) |
| Nyenzo | Plastiki |
| Vifaa Sambamba | Cellphones, Desktops, Laptops, Smart Watch, Tablets |
9. Udhamini na Msaada
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 webtovuti kwa sheria na masharti ya udhamini wa kina.
For further assistance, product registration, or to access the latest software updates, please visit the OnePlus Official Store or the OnePlus support webtovuti.





