1. Úvod
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. Co je v krabici
Ověřte, zda jsou v balení produktu přítomny všechny položky:
- OnePlus Buds 4 Earbuds (Left and Right)
- Nabíjecí pouzdro
- USB nabíjecí kabel
- Ušní nástavce (různé velikosti)
- Uživatelská příručka
3. Konec produktuview
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.

Obrázek: Detail 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. Nastavení
4.1 Nabíjení sluchátek a pouzdra
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.
- Plné nabití trvá přibližně 1.5 hodin.
- A 10-minute charge can provide up to 11 hodin of music playback.
- Total battery life with the charging case is up to 45 hodin (ANC off).

Image: Battery life and fast charging information for OnePlus Buds 4.
4.2 Spárování se zařízením
- Ujistěte se, že jsou sluchátka v nabíjecím pouzdře a že je víko pouzdra otevřené.
- Stiskněte a podržte funkční tlačítko na nabíjecím pouzdře, dokud kontrolka nezačne bíle blikat, což signalizuje režim párování.
- 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.
Rychlé párování Google: For Android devices, simply open the charging case near your phone, and a pop-up will appear for quick pairing.
Připojení dvou zařízení: The earbuds support simultaneous connection to two devices (e.g., phone and laptop) for seamless switching.

Obrázek: Overview of key features including connectivity, latency, and durability.
5. Návod k obsluze
5.1 Dotykové ovládání
The OnePlus Buds 4 feature customizable touch controls for various functions:
- Posuňte nahoru/dolů: Zvyšte nebo snižte hlasitost.
- Long touch/hold: Switch between Active Noise Cancellation (ANC), Adaptive, and Transparency modes.
- Jedno klepnutí: Přehrajte nebo pozastavte hudbu.
- Dvojité klepnutí: Přejít na další skladbu.
- Trojité klepnutí: Přejít na předchozí skladbu.
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 Adaptivní režim 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 Zvukové funkce
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.
- Zlatý zvuk: 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 Kvalita hovoru
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 Nízká latence
S a 47 ms nízká latence 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. Údržba
6.1 Čištění
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.
- Vyčistěte nabíjecí kontakty na sluchátkách i uvnitř pouzdra.
- Wipe the exterior of the charging case.
6.2 Odolnost proti vodě a prachu
The OnePlus Buds 4 earbuds have an Stupeň krytí 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. Řešení problémů
Pokud narazíte na problémy s OnePlus Buds 4, podívejte se na následující běžná řešení:
- Sluchátka se nespárují: 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).
- Žádný zvuk nebo špatná kvalita zvuku: 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.
- Problémy s nabíjením: Verify the charging cable and power adapter are working. Ensure charging contacts on earbuds and case are clean and free of debris.
- ANC nefunguje efektivně: 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 webmísto.
8. Specifikace
| Funkce | Specifikace |
|---|---|
| Název modelu | OnePlus Buds 4 |
| Číslo modelu | E513A |
| Kontrola hluku | Adaptive Noise Cancellation (up to 55 dB) |
| Technologie připojení | Bezdrátové připojení (Bluetooth 5.4) |
| Dosah Bluetooth | 10 Metres (up to 250m with Steady Connect on select OnePlus phones) |
| Typ zvukového ovladače | Dynamic Driver (11mm woofer, 6mm tweeter) |
| Zvuková latence | 47 milisekund (herní režim) |
| Výdrž baterie (sluchátka) | Up to 11 hours (ANC off, AAC) |
| Výdrž baterie (celkem s pouzdrem) | Up to 45 hours (ANC off, AAC) |
| Doba nabíjení | 1.5 hodiny |
| Úroveň odolnosti proti vodě | IP55 (pouze sluchátka do uší) |
| Hmotnost položky | 49 gramů (celkem) |
| Materiál | Plast |
| Kompatibilní zařízení | Mobilní telefony, stolní počítače, notebooky, chytré hodinky, tablety |
9. Záruka a podpora
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 webpodrobné záruční podmínky naleznete na webu.
For further assistance, product registration, or to access the latest software updates, please visit the OnePlus Official Store or the OnePlus support webmísto.