Introduction
The OnePlus Bullets Wireless Z2 are high-performance in-ear earphones designed to deliver an exceptional audio experience. Featuring 12.4mm drivers for bombastic bass and a long-lasting battery, these earphones are perfect for music enthusiasts and active users alike. This manual provides essential information on setting up, operating, maintaining, and troubleshooting your device.

Image: OnePlus Bullets Wireless Z2 earphones in Acoustic Red, showcasing the full design with the flexible neckband and in-ear earbuds.

Image: Key features of the OnePlus Bullets Wireless Z2, including 12.4mm dynamic drivers, AI noise cancellation, fast pairing, anti-distortion audio technology, Bluetooth 5.0, and battery life information.
What's in the Box
Your OnePlus Bullets Wireless Z2 package includes the following items:
- 1x Pair of OnePlus Bullets Wireless Z2 earphones
- 3x Silicone eartips (Sizes: S, M, L)
- 1x USB charging cable (Type-C)
- 1x User guide
- 1x Safety and Warranty card
Setup
1. Charging the Earphones
Before first use, fully charge your earphones. Connect the provided USB Type-C charging cable to the charging port on the neckband and plug the other end into a compatible USB power adapter. A 10-minute charge provides up to 20 hours of playback, and a full charge offers up to 30 hours of battery life.
2. Selecting Eartips
Choose the silicone eartips (S, M, L) that provide the most comfortable and secure fit for your ears. A proper fit is crucial for optimal sound quality and bass performance.
3. Pairing with Your Device
- Ensure your earphones are charged and powered on.
- Activate Bluetooth on your smartphone or audio device.
- Search for "OnePlus Bullets Wireless Z2" in the list of available Bluetooth devices.
- Select the earphones to pair. For OnePlus smartphones, Fast Pairing is supported for quicker connection.
- Once paired, the earphones will automatically connect to your device when powered on and within range.
Operating Instructions
Controls
The OnePlus Bullets Wireless Z2 feature intuitive controls located on the neckband:

Image: The control module on the neckband, featuring volume up/down and a multi-function button for various operations.
- Power On/Off: Separate the magnetic earbuds to power on. Snap them together to power off.
- Play/Pause: Press the multi-function button once.
- Next Track: Double press the multi-function button.
- Previous Track: Triple press the multi-function button.
- Volume Control: Use the '+' and '-' buttons to adjust volume.
- Answer/End Call: Press the multi-function button once.
- Reject Call: Press and hold the multi-function button.
- Activate Voice Assistant: Press and hold the multi-function button (Smart Assistance supported).
Audio Features
Experience rich audio with the 12.4mm bass drivers and titanium coating dome, delivering deep bass and clear details across all frequencies. The anti-distortion audio technology ensures smooth, distortion-free sound even at higher volumes.
Maintenance
To ensure the longevity and optimal performance of your OnePlus Bullets Wireless Z2 earphones, follow these maintenance guidelines:
- Cleaning: Gently wipe the earbuds and neckband with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Water Resistance: The earphones are IP55-rated for water and sweat resistance. While they can withstand splashes and sweat, do not submerge them in water or expose them to heavy rain. Dry them thoroughly if they get wet.
- Storage: Store the earphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Charging: Use only the provided USB Type-C cable or a certified equivalent for charging.
Troubleshooting
If you encounter issues with your earphones, refer to the following common solutions:
- No Power: Ensure the earphones are charged. Connect them to the charger for at least 10 minutes.
- Cannot Pair:
- Make sure Bluetooth is enabled on your device and the earphones are in pairing mode (separated).
- Move the earphones closer to your device.
- Forget the device from your phone's Bluetooth settings and try pairing again.
- Low Volume/Poor Sound Quality:
- Adjust the volume on both the earphones and your connected device.
- Ensure the eartips are properly seated in your ears and that you are using the correct size.
- Clean any debris from the earbud mesh.
- Intermittent Connection:
- Reduce the distance between the earphones and your device.
- Avoid obstacles that may interfere with the Bluetooth signal.
- Ensure no other strong wireless signals are causing interference.
Specifications
| Feature | Detail |
|---|---|
| Brand | OnePlus |
| Model Name | Wireless Z2 |
| Item Model Number | E305A |
| Color | Acoustic Red |
| Ear Placement | In Ear |
| Connectivity Technology | Wireless (Bluetooth 5.0) |
| Bluetooth Range | Up to 10 meters |
| Audio Driver Size | 12.4 Millimeters |
| Frequency Response Range | 20Hz - 20,000KHz |
| Impedance | 32 Ohm |
| Battery Life | Up to 30 Hours (50% volume) |
| Fast Charge | 10 mins for 20 Hours |
| Charging Method | USB Type-C |
| Water Resistance Level | IP55 |
| Item Weight | 27 Grams (0.952 ounces) |
| Control Type | Volume Control, Touch |
| Compatible Devices | Android, iOS |
Warranty and Support
Your OnePlus Bullets Wireless Z2 comes with a Safety and Warranty card included in the box. Please refer to this card for detailed warranty information and terms.
For further support, product registration, or to view frequently asked questions, please visit the official OnePlus website:
You can also visit the official OnePlus Store on Amazon for product information and support: