Introduction
The PAXA OpenAir5 AI OWS Bluetooth 5.4 Earphones are designed to provide a versatile audio experience, combining high-quality sound with advanced AI-powered translation capabilities. Featuring an Open-Wearable Stereo (OWS) design, these earbuds offer comfort and situational awareness, making them suitable for various activities from sports to business meetings. With Bluetooth 5.4 connectivity, Environmental Noise Cancellation (ENC) for calls, and a long-lasting battery, the OpenAir5 AI aims to enhance communication and entertainment.


Package Contents
Please check the box for the following items:
- 2 x PAXA OpenAir5 AI Earphones
- 1 x Type-C Charging Cable
- 1 x Charging Compartment (Case)
- 1 x Instruction Manual (this document)
Specifications
| Model | OpenAir5 AI |
| Brand Name | PAXA |
| Bluetooth Version | V5.4 |
| Maximum Wireless Range | <10m |
| Earphone Battery Capacity | 35mAh (per earphone) |
| Charging Case Battery Capacity | 500mAh |
| Music Playtime (Single Charge) | Up to 13 hours |
| Total Playtime (with Charging Case) | Up to 60 hours |
| Material | ABS, Silica Gel |
| Earcups Type | Sealed |
| Vocalism Principle | Dynamic (16mm Dynamic Drivers) |
| Impedance Range | Up to 32 Ω |
| Codecs | AAC, SBC |
| Charging Method | Cable (Type-C) |
| With Microphone | Yes (Dual Microphones for ENC) |
| Waterproof | Yes |
| Volume Control | Yes |
| Control Button | No (Touch controls for specific functions) |
| Active Noise-Cancellation | No (Features ENC Call Noise Reduction and Dual-mode noise reduction/transparency) |
| Support APP | Yes (Nebulabuds APP for translation and AI features) |
| Style | OWS Ear Hook Headphones |

Setup
1. Charging the Earphones and Case
Before first use, fully charge the earphones and the charging case. Connect the provided Type-C charging cable to the charging case and a power source. The indicator lights on the case will show the charging status.
2. App Download and Activation
The translation and AI chat functions require the dedicated Nebulabuds APP. Follow these steps to download and activate your device:
- Download the APP: Scan the QR code provided in the manual or on the product packaging, or search for "Nebulabuds APP" in your device's app store (Google Play for Android, App Store for iOS).
- Connect Earbuds: Ensure your earbuds are powered on and discoverable via Bluetooth.
- Bind New Device: Open the Nebulabuds APP, navigate to "Nebula Setting," and select "Bind New Device."
- Activate Translation: Enter or scan the activation code (usually found in the packaging or within the app's instructions) and click "Connect." Once activated, you can enjoy the full benefits of the translation features.

3. Bluetooth Pairing
The OpenAir5 AI earbuds offer seamless one-step pairing:
- Take the earbuds out of the charging case. They will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for "PAXA OpenAir5 AI" in the list of available devices.
- Select the earbuds to connect. A voice prompt will confirm successful pairing.

Operating Instructions
1. Power On/Off
- Power On: The earbuds will automatically power on when removed from the charging case.
- Power Off: Place the earbuds back into the charging case to automatically power them off and begin charging.
2. Translation Functions
The PAXA OpenAir5 AI earbuds offer advanced translation features through the Nebulabuds APP:
- Click Mode: Utilize the touch controls on the earbuds to initiate translation. Simply click to speak, and the earbuds will translate on the fly, ideal for global business meetings or conversations.
- Real-Time Translation: The app supports various modes including Free Talk Mode, Touch Mode, Speaker Mode, audio transcription, and even photo translation. This allows for 98% accuracy simultaneous translation in as little as 0.5 seconds, supporting 75 languages and 70 accents.
- AI Chat Partner: Interact with an AI chat partner directly through your earbuds for information or assistance.


3. Noise Reduction and Transparency Mode
The earbuds feature a dual-mode system for managing ambient sound:
- Noise Reduction: Block out external noise for a more focused audio experience. While not Active Noise Cancellation (ANC) for music, this mode helps reduce environmental distractions.
- Transparency Mode: Allows you to hear your surroundings without removing the earbuds, useful for conversations or being aware of traffic.
Switching between these modes is typically done via the Nebulabuds APP or through specific touch controls (refer to the app for detailed control customization).

4. Music Playback and Call Functions
- Music Playback: Enjoy premium sound quality with 16mm dynamic drivers. Control playback (play/pause, skip tracks) via touch controls or your connected device.
- Call Functions: The earbuds are equipped with ENC (Environmental Noise Cancellation) for HD calls, ensuring clear conversations by reducing background noise. Answer, end, or reject calls using the touch controls.
Maintenance
To ensure the longevity and optimal performance of your PAXA OpenAir5 AI earphones, follow these maintenance guidelines:
- Cleaning: Regularly wipe the earbuds and charging case with a soft, dry, lint-free cloth. Avoid using abrasive materials, solvents, or harsh chemicals.
- Storage: When not in use, always store the earbuds in their charging case to protect them from dust, dirt, and physical damage.
- Charging: Use only the provided Type-C charging cable and a compatible power adapter. Avoid overcharging or completely draining the battery for extended periods.
- Water Resistance: The earbuds are waterproof, but avoid prolonged submersion in water or exposure to high-pressure water jets. Dry them thoroughly before placing them back in the charging case.
- Temperature: Avoid exposing the earbuds to extreme temperatures (hot or cold) or high humidity.
Troubleshooting
Common Issues and Solutions:
- Earbuds not connecting/pairing:
- Ensure earbuds are charged and out of the case.
- Turn off and on Bluetooth on your device.
- Forget the device in your Bluetooth settings and try pairing again.
- Restart your device.
- Translation function not working:
- Ensure the Nebulabuds APP is installed, updated, and you are logged in.
- Verify that the earbuds are correctly bound and activated within the app.
- Check your internet connection, as translation often requires online processing.
- Manually select the correct languages for translation within the app.
- No sound or poor sound quality:
- Check the volume levels on both your device and the earbuds.
- Ensure the earbuds are properly seated in your ears.
- Move closer to your connected device to avoid interference.
- Disconnect and reconnect the earbuds.
- Earbuds lost/cannot be found:
- The earbuds feature an anti-lost function. Refer to the Nebulabuds APP for features that can help locate your earbuds if they are within range.

User Tips
- For the best translation experience, ensure your Nebulabuds app is always up-to-date and your phone has a stable internet connection.
- Experiment with the noise reduction and transparency modes to find the ideal setting for your environment, whether you're in a quiet office or a busy street.
- Take advantage of the long battery life by fully charging the case and earbuds before extended use, especially for travel or long workdays.
- The OWS design allows for comfortable, pressure-free wear. Adjust the ear hooks for a secure fit during sports or active use.
Warranty and Support
PAXA products are manufactured to the highest quality standards. For any issues or questions regarding your OpenAir5 AI earphones, please refer to the detailed function introduction within the Nebulabuds APP or contact customer service for professional assistance. Keep your proof of purchase for warranty claims.