Introduction
The OPPO O-Free True Wireless Earbuds are designed to provide a seamless and high-quality audio experience. Featuring advanced Bluetooth v5.0 technology and a Qualcomm QCC3026 chipset, these earbuds offer stable connectivity, clear sound, and extended battery life. This manual provides essential information on setting up, operating, maintaining, and troubleshooting your O-Free earbuds.
Key Features:
- TrueWireless Stereo Technology for immersive sound.
- Charging case with built-in battery for extended use.
- Call noise reduction for clear conversations.
- Up to 12 hours of music playback with the charging case.
- Bluetooth v5.0 technology for stable and efficient connection.
- Compatible with iOS and Android devices.
What's Included
Upon unboxing your Oppo O-Free True Wireless Earbuds, please ensure all the following components are present:
- 1 x User Manual
- 1 x Battery Compartment (Charging Case)
- 1 x Pair of Bluetooth Headphones (Earbuds)
- 1 x USB Charging Cable
Product Overview


Setup
1. Charging the Earbuds and Case
- Place the O-Free earbuds into the charging case, ensuring they are correctly seated.
- Connect the USB charging cable to the charging port on the case and plug the other end into a USB power source (e.g., computer, wall adapter).
- The indicator light on the charging case will show the charging status. A full charge typically takes a few hours.
- Once fully charged, disconnect the charging cable. The case can charge the earbuds up to three times, providing a total of 12 hours of listening time.
2. Pairing with Your Device
- Ensure the earbuds are charged and placed in the charging case.
- Open the lid of the charging case. The earbuds will automatically enter pairing mode, indicated by a flashing light (refer to product specific light indicators if available).
- On your smartphone or Bluetooth-enabled device, go to the Bluetooth settings.
- Search for available devices and select "Oppo O-Free" from the list.
- Once connected, the indicator light on the earbuds will change (e.g., solid blue), and you will hear a confirmation tone.
- Note: After the initial pairing, the earbuds will automatically reconnect to your device when you open the charging case lid, provided Bluetooth is enabled on your device.
Operating Instructions
Touch Controls
The Oppo O-Free earbuds feature intuitive touch controls on each earbud.
- Play/Pause Music: Tap once on either earbud.
- Answer/End Call: Tap once on either earbud during an incoming call or active call.
- Reject Call: Press and hold either earbud for 2 seconds during an incoming call.
- Activate Voice Assistant / Translation Mode: Long press on either earbud. For translation functionality, ensure the necessary application is installed on your phone and connected to the earbuds. Supported translation languages include English to Chinese, and Chinese to English, Japanese, Korean, French, Spanish, and Vietnamese.
Automatic Reconnection
Once paired with your device, the O-Free earbuds will automatically reconnect when you open the charging case lid, provided your device's Bluetooth is active and within range.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your Oppo O-Free earbuds.
- Cleaning: Use a soft, dry, lint-free cloth to clean the earbuds and charging case. Do not use abrasive cleaners, alcohol, or chemical solvents. Gently clean the charging contacts on both the earbuds and the case to ensure proper charging.
- Storage: When not in use, always store the earbuds in their charging case to protect them from dust, dirt, and physical damage. Store in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To preserve battery life, avoid fully discharging the earbuds and charging case frequently. Charge them regularly, even if not used for extended periods.
- Water Resistance: The earbuds are not waterproof. Avoid exposure to water, sweat, or high humidity.
Troubleshooting
If you encounter issues with your Oppo O-Free earbuds, refer to the following common solutions:
- Earbuds not pairing or connecting:
- Ensure both earbuds are charged.
- Make sure Bluetooth is enabled on your device.
- Place earbuds back in the case, close the lid, wait a few seconds, then open the lid to re-enter pairing mode.
- Forget "Oppo O-Free" from your device's Bluetooth settings and attempt to pair again.
- Try pairing with a different device to rule out device-specific issues.
- No sound from one or both earbuds:
- Check the volume level on your connected device.
- Ensure earbuds are properly seated in your ears.
- Reconnect the earbuds by placing them in the case and taking them out again.
- Clean any debris from the earbud speakers.
- Charging issues:
- Ensure the charging cable is securely connected to both the case and the power source.
- Verify the power source is active.
- Clean the charging contacts on the earbuds and inside the case.
- Try a different USB charging cable and power adapter.
- Touch controls not responding:
- Ensure your fingers are clean and dry when using touch controls.
- Restart the earbuds by placing them in the case and taking them out.
Specifications
| Feature | Detail |
|---|---|
| Model Name | Oppo O-Free True Wireless Earbuds |
| Connectivity Technology | Wireless (Bluetooth) |
| Wireless Communication Technology | Bluetooth v5.0 |
| Included Components | 1 x user manual, 1 x battery compartment, 1 x Bluetooth headphones, 1 x USB charging cable |
| Material | Plastic |
| Cable Feature | Without Cable |
| Package Dimensions | 25 x 20 x 12 cm |
| Item Weight | 350 Grams |
| Batteries | 1 Lithium Ion batteries required (included) |
| Special Features | Microphone feature |
| Form Factor | In Ear |
| Colour | Bordeaux Red |
Warranty and Support
OPPO products are manufactured to high quality standards. For information regarding warranty coverage, technical support, or service, please refer to the warranty card included with your product or visit the official OPPO support website.
For further assistance, you may contact OPPO customer service through their official channels.

