1. Introduction
Welcome to the PAXA Openair5 AI Wireless Bluetooth Earphones. These innovative earphones combine advanced audio technology with real-time AI translation capabilities, offering a seamless and intelligent listening experience. Designed for comfort and versatility, they are perfect for music, calls, and overcoming language barriers.
Video: Overview of PAXA Openair5 AI Earphones, showcasing design, AI features, and translation capabilities.
2. Key Features
- AI Real-Time Translation: Supports translation in 128 languages with 98% accuracy in 0.5 seconds. Features Touch Mode, Listen Mode, and Speaker Mode for various communication scenarios.
- AI Chat Partner: Equipped with AI for intelligent dialogue and assistance, acting as your personal assistant.
- Advanced Audio: Hi-Fi stereo music with 16mm dynamic drivers for deep, detailed sound.
- Bluetooth 5.4: Ensures stronger compatibility, lower power consumption, and stable transmission.
- Ergonomic Design: Open-ear, hanging ear type for comfortable, breathable, and stable fit, even during long wear or sports. Features flexible titanium wire.
- Automatic Noise Reduction: Intelligent noise reduction for clear audio.
- LED Power Display: Conveniently shows battery levels.
- Dual Microphones: For unparalleled sonic accuracy in translation and calls.
- App Smart Link Interaction: Dedicated app (NebulaBuds) for enhanced features, including 'Find My Earbuds' with location tracking and one-key navigation.
- Waterproof: Designed to withstand splashes and sweat.
- Long Battery Life: Up to 6.5 hours of music playback (at 30% volume) and approximately 4 hours of talk time.
- Voice Wake-up: Supports continuous dialogue via voice wake-up.

Image: PAXA Openair5 AI Earphones highlighting features like automatic noise reduction, stereophonic low delay, LED power display, Bluetooth 5.4, ergonomic design, and real-time translation.

Image: Earphones emphasizing precision translation with dual microphones and AI innovation.

Image: Demonstrates natural and instant translation with 98% accuracy, supporting 75 languages and 70 accents.

Image: Illustrates different translation modes: Touch Mode for direct conversation, Listen Mode for group settings, and Speaker Mode for broader communication.

Image: Highlights the AI chat partner feature, ready 24/7 to assist users.

Image: Details the 16mm dynamic drivers and Bluetooth 5.4 technology for superior sound quality.
3. Setup Guide
To fully utilize the AI features of your PAXA Openair5 earphones, follow these steps:
- Download the App: Locate the small card inside the product box. Use a browser or QR code scanner to scan the QR code on the card and download the dedicated AI Bluetooth APP, named NebulaBuds.
- Log In to the App: Open the NebulaBuds app. You can choose to log in using your email address or an Apple account.
- Connect Earphones to App:
- Take the earphones out of their charging case.
- In the NebulaBuds app, navigate to 'Link Management'.
- Select 'Activation Code Connection'.
- Enter the activation code provided with your earphones (usually on the small card or in the manual).
- Click 'Connect'.
- Pair via System Bluetooth: The app will prompt you to jump to your device's system Bluetooth settings. Find the earphone's pairing name, which is OpenAir5AI, and connect to it.
- Activate AI Function: After successfully pairing via Bluetooth, return to the NebulaBuds app. Confirm the connection by entering the activation code again (or scanning it if prompted) and clicking 'Connect'. This will lead you to the operational page, enabling the headset's AI functions.
Once these steps are completed, your PAXA Openair5 AI earphones are ready for use with all their intelligent features.
4. Operating Instructions
4.1. Touch Controls
The PAXA Openair5 earphones feature intuitive touch controls on the earbud surface:
- Single Click:
- Answer incoming calls / Hang up calls
- Play / Pause music
- Double Tap:
- Next song
- Reject incoming calls
- Three-Tap:
- Previous song
- Long Press (2 seconds):
- Activate phone's voice assistant

Image: Visual guide to the touch control area and corresponding functions for the PAXA Openair5 AI Earphones.
4.2. AI and Translation Functions
Utilize the NebulaBuds app to access the full range of AI and translation features:
- Real-Time Translation: Engage in conversations across 128 languages. Select your desired mode (Touch, Listen, Speaker) within the app for seamless communication.
- AI Chat: Interact with the built-in AI assistant for information, tasks, or general conversation.
- AI Conference Record: Record and translate conference discussions.
- Multi-language Simultaneous Interpretation: Facilitate group discussions with instant interpretation.
- Find My Earbuds: Use the app's location tracking and one-key navigation feature to locate misplaced earphones.
5. Specifications
| Feature | Detail |
|---|---|
| Model No. | OpenAir5AI Lifetime Edition |
| Pairing Name | OpenAir5AI |
| Bluetooth Version | BLUETOOTH V5.4 |
| Charging Time (Charging Case) | About 2 Hours |
| Music Playback Time | Approx. 6.5 hours (at 30% volume) |
| Talk Time | Approx. 4 hours |
| Charging Case Battery | 3.7V 200mAh Li-polymer battery |
| Headset Body Battery | 3.7V 38mAh*2 |
| Charging Voltage/Current | DC 5V, 500mA |
| Transmission Distance | 10m / Class 2 |
| Audio Decoding | SBC / AAC |
| Supported Protocols | HSP/HFP/A2DP/AVRCP |
| Operating Temperature | -10 to 40 degrees Celsius |
| Driver Diameter | 16mm |
| Impedance | 32 Ω (up to 32 Ω) |
| Waterproof | Yes |
| Microphone | Yes |
| Active Noise-Cancellation | Yes |
| Volume Control | Yes |
| Control Button | Yes |
| Sound Isolating | Yes |
| Material | Plastic |
| Headphone Pads Material | Silicone |
| Charging Method | Charging case |
| Package List | User Manual, charger, Charging case |
| Certification | CE, FCC |
Note: Product parameters are for reference only. Due to small differences in electronic components, there may be slight variations. Please refer to the actual product. Playing time is measured at 30% volume. (50% volume: about 6 hours; 70% volume: about 5.5 hours).
6. Maintenance
- Cleaning: Regularly wipe the earphones and charging case with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Storage: When not in use, store the earphones in their charging case to protect them from dust and damage. Keep them in a cool, dry place away from extreme temperatures.
- Charging: Use the provided charger and ensure the charging port is clean and free of debris.
- Water Resistance: While waterproof, avoid submerging the earphones in water or exposing them to high-pressure water jets.
7. Troubleshooting
- Earphones not pairing: Ensure both earphones are out of the charging case and have sufficient battery. Check your device's Bluetooth settings and try re-pairing. Make sure the NebulaBuds app is correctly linked.
- No sound: Check the volume levels on both your device and the earphones. Ensure the earphones are properly connected to your device.
- Translation not working: Verify that the NebulaBuds app is open, connected to the earphones, and has an active internet connection. Check language settings within the app.
- Charging issues: Ensure the charging cable is securely connected to both the case and a power source. Check for any debris in the charging port.
- App connectivity issues: Restart the NebulaBuds app and your device. Ensure your earphones are within Bluetooth range.
If you encounter persistent issues, please refer to the 'Warranty and Support' section for customer service contact information.
8. Warranty and Support
PAXA is committed to providing high-quality products and excellent customer service. Your Openair5 AI earphones come with the following service commitments:
- Shipping Time: Orders are typically shipped within 48 hours.
- Customer Service: For any issues or inquiries, please communicate with our customer service team.
- Quality Assurance: The seller bears responsibility for goods with quality problems, including refunds of the purchase price.
- Returns Service: Quality-related returns are eligible for free shipping. Buyers who have not received their goods can apply for an immediate refund. Free returns are available within 90 days.
- Transaction Protection: We ensure the security of buyer payments.
- Feedback Evaluation: Buyers can provide feedback and evaluation of seller service, and we are committed to addressing any shortcomings.
For further assistance, please contact the seller or refer to the official product page for detailed support information.