1. Introduction
This manual provides detailed instructions for the proper use and maintenance of your OnePlus Buds 4 Wireless Earbuds. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.
Package Contents
Verify that all items are present in the package:
- OnePlus Buds 4 Earbuds (Left and Right)
- Charging Case
- USB-C Charging Cable
- Multiple Ear Tip Sizes (S, M, L)
- User Manual (this document)

Image: Contents of the OnePlus Buds 4 retail package, showing the earbuds, charging case, USB-C cable, and various ear tip sizes.
2. Setup
2.1 Initial Charging
Before first use, fully charge the OnePlus Buds 4 and their charging case. Connect the provided USB-C charging cable to the charging port on the case and a power source. The indicator light on the case will show charging status.
- A full charge provides extended playback time.
- The charging case has a 530mAh battery capacity.

Image: OnePlus Buds 4 earbuds in their open charging case, highlighting the extended battery life capability.
2.2 Pairing with a Device
- Ensure the earbuds are in the charging case and the lid is open.
- Press and hold the function button on the charging case until the indicator light flashes white, indicating pairing mode.
- On your device (smartphone, tablet, etc.), go to Bluetooth settings and select "OnePlus Buds 4" from the list of available devices.
- Once connected, the indicator light will turn solid white or off.
The OnePlus Buds 4 utilize Bluetooth 5.4 for stable connectivity and support Fast Pair for quick setup with compatible Android devices.

Image: OnePlus Buds 4 earbuds and charging case with a Bluetooth signal icon, illustrating stable connectivity via Bluetooth 5.4.
2.3 Wearing the Earbuds
Choose the ear tips that provide the best seal and comfort for your ears. A proper fit is crucial for optimal sound quality and effective Active Noise Cancellation.
- Gently insert the earbuds into your ear canal.
- Rotate them slightly until they feel secure and comfortable.
3. Operating Instructions
3.1 Touch Controls
The OnePlus Buds 4 feature intuitive touch controls on the stem of each earbud.
| Action | Function |
|---|---|
| Single Tap | Play/Pause music, Answer/End call |
| Double Tap | Next track, Reject call |
| Triple Tap | Previous track |
| Press and Hold (Left/Right) | Switch Noise Control Mode (ANC/Transparency) |
| Swipe Up/Down (Stem) | Adjust Volume |

Image: Close-up of OnePlus Buds 4 earbuds showing the area for volume swipe control on the stem.
3.2 Active Noise Cancellation (ANC) and Transparency Mode
The earbuds feature advanced Active Noise Cancellation to reduce ambient noise and a Transparency Mode to allow you to hear your surroundings.
- Active Noise Cancellation: Reduces external sounds for an immersive listening experience.
- Transparency Mode: Amplifies ambient sounds, allowing you to stay aware of your environment without removing the earbuds.
- Adaptive Mode: Intelligently switches between ANC and Transparency modes based on your environment.
Switch between these modes by pressing and holding the touch area on either earbud.

Image: A person wearing OnePlus Buds 4 earbuds outdoors, illustrating the effect of Active Noise Cancellation.

Image: A person wearing OnePlus Buds 4 earbuds in a city setting, highlighting the Adaptive Mode feature.
3.3 Audio Features
The OnePlus Buds 4 deliver high-quality audio with advanced technologies.
- 11mm Audio Drivers: Provide balanced, true-to-life acoustics.
- Hi-Res Audio & LHDC 5.0: For detailed, studio-grade sound reproduction.
- Immersive 3D Spatial Audio: Creates a richer, surrounding sound experience.

Image: OnePlus Buds 4 earbuds with Hi-Res Audio and LHDC 5.0 branding, emphasizing advanced audio capabilities.

Image: OnePlus Buds 4 earbuds depicted with a visual effect suggesting immersive 3D Spatial Audio.

Image: An exploded view diagram of a OnePlus Buds 4 earbud, highlighting its internal sound components and drivers.
3.4 Call Features
The earbuds are equipped with features to enhance call clarity.
- 3-mic AI Call Noise Cancellation: Filters out noise and wind for clear calls in various environments.
- 3x Voice Cancellation: Reduces vocal distractions in noisy settings like cafes or trains.

Image: A person lying down with OnePlus Buds 4 earbuds, representing the effect of voice cancellation for undisturbed listening.

Image: A transparent view of a OnePlus Buds 4 earbud, highlighting the 3-mic system for AI Call Noise Cancellation.
3.5 AI Translation
With a compatible OnePlus phone, the earbuds can facilitate real-time conversations in multiple languages.

Image: OnePlus Buds 4 earbuds alongside a smartphone screen demonstrating AI translation functionality.
4. Maintenance
4.1 Cleaning
- Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth.
- Remove ear tips and clean them with water and mild soap if necessary, ensuring they are completely dry before reattaching.
- Do not use abrasive materials or harsh chemicals.
4.2 Water Resistance
The OnePlus Buds 4 are water resistant. This means they can withstand splashes and sweat, making them suitable for workouts. However, they are not waterproof and should not be submerged in water.
4.3 Storage
When not in use, store the earbuds in their charging case to protect them and ensure they remain charged.
5. Troubleshooting
If you encounter issues with your OnePlus Buds 4, refer to the following common solutions:
5.1 Pairing Issues
- Ensure the earbuds are charged and in pairing mode (flashing white light).
- Turn off and on Bluetooth on your device.
- Forget the device in your Bluetooth settings and attempt to pair again.
- Try resetting the earbuds (refer to the full user manual for specific reset instructions).
5.2 Sound Issues
- Check the earbud fit and try different ear tip sizes.
- Clean the ear tips and speaker meshes to remove any debris.
- Ensure the volume on both your device and earbuds is adjusted correctly.
5.3 Charging Issues
- Verify the charging cable is securely connected to both the case and power source.
- Ensure the charging contacts on the earbuds and inside the case are clean and free of obstruction.
- Try a different USB-C cable or power adapter.
6. Specifications
| Feature | Detail |
|---|---|
| Model Name | OnePlus Buds 4 |
| Model Number | E513A |
| Brand | OnePlus |
| Color | Zen Green |
| Ear Placement | In Ear |
| Form Factor | In Ear |
| Noise Control | Active Noise Cancellation |
| Audio Driver Size | 11 Millimeters |
| Audio Driver Type | Dynamic Driver |
| Frequency Response | 40 Hz |
| Sensitivity | 100 dB |
| Impedance | 18 Ohm |
| Connectivity Technology | Bluetooth |
| Wireless Communication Technology | Bluetooth |
| Bluetooth Version | 5.4 |
| Bluetooth Range | 33 Feet |
| Control Method | Touch |
| Controller Type | Touch Controls |
| Charging Case Capacity | 530mAh |
| Water Resistance Level | Water Resistant |
| Item Weight | 0.15 Kilograms (5.3 ounces) |
| Included Components | Cable, Charging Case, Eartip, User Manual |
7. Warranty and Support
7.1 Manufacturer's Warranty
The OnePlus Buds 4 are backed by a one-year manufacturer warranty. This warranty covers defects in materials and workmanship under normal use. For specific terms and conditions, please refer to the warranty card included in your product packaging or visit the official OnePlus support website.
7.2 Customer Support
For further assistance, technical support, or warranty claims, please contact OnePlus customer service through their official website or the contact information provided in your product documentation.
Official OnePlus Store: OnePlus Store on Amazon





