Introduction
This manual provides essential information for the proper use, maintenance, and troubleshooting of your OnePlus Buds Z True Wireless in-Ear Earbuds. Please read this guide thoroughly before using the product to ensure optimal performance and longevity.

Image: The OnePlus Buds Z earbuds resting in their open white charging case, showing the 'L' and 'R' indicators for left and right earbuds.
What's in the Box
Verify that all components are present in your package:
- OnePlus Buds Z Earbuds (Left and Right)
- Wireless Charging Case
- USB-C Charging Cable
- Ear Cushions (Multiple Sizes: S, M, L)
- User Manual and Safety Information

Image: A flat lay of the OnePlus Buds Z product contents, including the earbuds, charging case, USB-C cable, extra ear tips, and documentation.
Setup
1. Initial Charging
Before first use, fully charge the OnePlus Buds Z and their charging case. A full charge provides up to 20 hours of battery life. The earbuds themselves offer approximately 5 hours of listening time on a single charge.
- Connect the provided USB-C cable to the charging port on the case and a power source.
- The indicator light on the case will show charging status.
- A quick 10-minute charge can provide up to 3 hours of listening time for the earbuds.

Image: The white OnePlus Buds Z charging case being charged via a red USB-C cable, next to a laptop.
2. Pairing with Your Device
The OnePlus Buds Z utilize Bluetooth 5.0 for stable connectivity up to 10 meters.
- Ensure the earbuds are in the charging case and the lid is open.
- On your smartphone or Bluetooth-enabled device, go to Bluetooth settings and enable Bluetooth.
- Select "OnePlus Buds Z" from the list of available devices to pair.
- For OnePlus phone users, Quick Pair functionality is available for seamless connection.
3. HeyMelody App (for Android users)
For enhanced customization and firmware updates, download the HeyMelody app. This app allows you to personalize touch controls and access new features. Requires Android 6.0 or higher when not using a OnePlus phone.
Operating Instructions
1. Wearing the Earbuds
Select the ear tips that provide the most comfortable and secure fit for optimal sound quality and noise isolation. The ergonomic design ensures a stable fit for various activities.

Image: A woman smiling while wearing the OnePlus Buds Z earbuds, demonstrating their comfortable and secure fit during physical activity.
2. Touch Controls
The OnePlus Buds Z feature touch controls for media playback and call management. These controls can be customized via the HeyMelody app.
- Double Tap: Default action for playing/pausing music, skipping tracks, or answering/ending calls.
- In-Ear Detection: Music automatically pauses when an earbud is removed and resumes when re-inserted.
3. Audio Features
The earbuds are equipped with a 10mm dynamic driver for enhanced audio experience.
- Bass Boost: Delivers deeper and cleaner bass for an immersive listening experience.
- Clear and Stable Calls: Noise reduction algorithms are integrated for improved voice pickup and call clarity.
4. Water and Sweat Resistance (IP55)
The OnePlus Buds Z have an IP55 rating, making them resistant to water splashes, sweat, and dust. This allows for use during workouts or in light rain conditions without worry.

Image: A woman with damp hair wearing a OnePlus Buds Z earbud, illustrating the product's IP55 water and sweat resistance.
Maintenance
To ensure the longevity and optimal performance of your OnePlus Buds Z, follow these maintenance guidelines:
- Cleaning: Regularly clean the earbuds, especially the ear tips and charging contacts, with a soft, dry, lint-free cloth. Remove ear tips and clean them with mild soap and water if necessary, ensuring they are completely dry before reattaching.
- Storage: Always store the earbuds in their charging case when not in use to protect them from dust, damage, and to keep them charged.
- Avoid Extreme Conditions: Do not expose the earbuds or case to extreme temperatures, high humidity, or corrosive liquids.
Troubleshooting
If you encounter issues with your OnePlus Buds Z, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Earbuds not pairing/connecting | Bluetooth off, earbuds not in pairing mode, interference. | Ensure Bluetooth is on. Place earbuds in case, open lid to enter pairing mode. Move closer to device. Try forgetting device and re-pairing. |
| Low volume or poor sound quality | Incorrect ear tip size, ear tips dirty, low battery. | Try different ear tip sizes for a snug fit. Clean ear tips and earbud grilles. Charge earbuds and case. |
| Music pauses unexpectedly | In-ear detection sensor triggered, earbud shifting in ear. | Ensure earbuds are securely seated. Clean the in-ear detection sensors. If persistent, consider disabling in-ear detection via the HeyMelody app if available. |
| Earbuds not charging | Dirty charging contacts, faulty cable/charger. | Clean the charging contacts on both earbuds and case. Try a different USB-C cable and power adapter. |
| Microphone issues during calls | Microphone blocked, environmental noise. | Ensure microphone holes are clear. Move to a quieter environment. |
Specifications
| Feature | Specification |
|---|---|
| Model Name | Buds Z |
| Connectivity Technology | Wireless (Bluetooth 5.0) |
| Bluetooth Range | 10 Meters |
| Audio Driver Type | Dynamic Driver (10mm) |
| Frequency Response | 20 Hz - 20,000 Hz |
| Sensitivity | 97 dB |
| Battery Life (Earbuds) | Approx. 5 hours |
| Total Battery Life (with Case) | Up to 20 hours |
| Fast Charging | 10 minutes charge for 3 hours playback |
| Water Resistance Level | IP55 (Water and Sweat Resistant) |
| Control Method | Touch |
| Included Components | Earbuds, Charging Case, USB-C Cable, Ear Cushions |
| Item Weight | 181 Grams (total package) |
| Product Dimensions | 2.95 x 1.42 x 1.14 inches |
Warranty and Support
The OnePlus Buds Z come with a standard manufacturer's warranty. For detailed warranty terms and conditions, please refer to the documentation included in your product package or visit the official OnePlus support website.
For further assistance, technical support, or to download the full user manual in PDF format, please visit the official OnePlus support page or refer to the provided PDF document: OnePlus Buds Z User Manual (PDF).
Note: No official product videos with 'Seller' creator type were available in the provided data to embed in this manual.