HYUNDAI HY-T26 AI Earbuds User Manual

1. Product Overview

The HYUNDAI HY-T26 AI Earbuds are advanced wireless headphones designed for seamless multilingual communication and high-fidelity audio. Featuring real-time translation capabilities, Bluetooth 5.4 connectivity, and intelligent touch controls, these earbuds are ideal for travelers, professionals, and anyone seeking an enhanced audio experience with smart features.

1.1 Key Features

• Seamless Multilingual Communication: Supports over 125 languages for effortless cross-language conversations.
• Comprehensive Translation Features: High-accuracy translation (up to 98%) with functions like recording, writing, translating, listening, and speaking.
• Advanced AI Integration: Powerful AI application for recording, translation, and AI chat.
• Premium Sound Quality: Metal diaphragm for powerful bass and reduced distortion, delivering immersive musical enjoyment.
• Open Ear Design: Ultra-lightweight, sensation-free fit for all-day listening while allowing ambient sound awareness.
• Bluetooth 5.4: Faster transmission, stable signal, and lower latency for a reliable wireless connection.
• Intelligent Touch Control: Convenient control over music playback, calls, and voice assistant.

2. Package Contents

Please check the box for the following items:

• HYUNDAI HY-T26 AI Earbuds (2 units)
• Charging Case
• User Manual (this document)
• USB Charging Cable

3. Getting Started

3.1 Charging the Earbuds and Case

Before first use, fully charge the earbuds and the charging case. Place the earbuds into the charging case. Connect the charging case to a power source using the provided USB cable. The indicator lights on the case will show the charging status.

3.2 Wearing the Earbuds

The HY-T26 AI Earbuds feature an open-ear design for comfort and awareness of your surroundings. Follow these steps for proper fit:

1. Identify the Left (L) and Right (R) earbuds.
2. Gently hook the earbud over your ear, ensuring the speaker is positioned correctly near your ear canal.
3. Adjust for a secure and comfortable fit.

3.3 App Download and Activation

To utilize the full translation features, you need to download and activate the NebulaBuds app.

1. Scan QR Code: Use your phone's camera or a QR code scanner to scan the QR code provided in the manual or on the product packaging to access the NebulaBuds download page.
2. Download App: Select the appropriate download channel (App Store for iOS, Play Store or Android APK for Android) and install the NebulaBuds app.
3. Grant Permissions: Upon first opening, allow NebulaBuds to access necessary permissions, including Bluetooth device discovery and connection, and wireless data (Wi-Fi and cellular data).
4. Connect Earbuds: Open the charging case. In your phone's Bluetooth settings, find and connect to the HY-T26 AI earbuds.
5. Activate Device:
   If your earbuds came with an activation code card:
   • In the NebulaBuds app, go to 'Connection Management' and select 'Activation Code Connection'.
   • Enter the activation code from the card or scan the QR code on the card.
   • Click 'Connect'. Once activated, you can enjoy the translation features.
   If no activation card is present (e.g., for screen-equipped earbuds or other devices that connect automatically):
   • The device should automatically connect to the app after Bluetooth pairing.

3.4 One-Step Pairing

The earbuds feature one-step pairing with Bluetooth 5.4 for fast and stable connection.

1. Open the charging case. The earbuds will enter pairing mode.
2. Enable Bluetooth on your smartphone or device.
3. Select "HY-T26 AI" from the list of available devices.
4. Once connected, the earbuds are ready for use.

4. Operating Instructions

4.1 Intelligent Touch Control

The earbuds are equipped with touch-sensitive areas for easy control:

4.2 Real-time Translation Features (via NebulaBuds App)

The NebulaBuds app offers various translation modes to suit different scenarios.

4.2.1 Simultaneous Interpretation

Translates another person's speech into your language and plays it through your earbud. Ideal for forums, classes, or lectures.

1. On the app homepage, select the 'Simultaneous Interpretation' function.
2. Grant microphone and location permissions.
3. Select the desired language you wish to hear.
4. Click the red dot to start recording. The translation will be played through your earbud.
5. Click the red dot again to end the translation. The recording will be automatically saved to 'Summary and Playback'.

4.2.2 Headphone + Mobile Mode (Face-to-Face Translation)

You wear one earbud, and the phone is placed between you and the other person. It translates both parties' speech and broadcasts it.

1. On the app homepage, select 'Headphone + Mobile Mode'.
2. Grant microphone and other necessary permissions.
3. Select your language (left) and the other person's language (right). Use the middle arrow to quickly swap languages.
4. When you speak: Tap the 'earbud icon' (it will change color), then speak. The app will automatically translate and broadcast through the phone's external speaker. For longer speeches, long-press the icon until you finish speaking.
5. When the other person speaks: Tap the 'phone icon' (it will change color), then they speak. The app will automatically translate and broadcast through your earbud. For longer speeches, long-press the icon until they finish speaking.
6. To end translation, click the top-left back button to go to the 'Summary and Playback' page.

4.2.3 Dual Ear Mode (Face-to-Face Translation)

Each person wears one earbud, and the phone is placed between them. It translates both languages and broadcasts through the respective earbuds.

1. On the app homepage, select 'Dual Ear Mode'.
2. Grant microphone and other necessary permissions.
3. Select your language (left) and the other person's language (right). Use the middle arrow to quickly swap languages.
4. Click the red dot to start translation. Both parties can speak simultaneously.
5. Translation results will be broadcast separately through the left and right earbuds.
6. Click the red dot again to end translation. The recording will be automatically saved to 'Summary and Playback'.

4.2.4 Live Translation Chat

Provides timely, accurate, and efficient translation for conversations.

4.2.5 Silent Mode

In this mode, no translation sound is played; only the translation result is displayed on the screen. Useful in quiet environments or when visual translation is preferred.

4.3 Live Recording

Wear the earbuds to transcribe live conversations into text, facilitating meeting notes.

1. On the app homepage, select the 'Live Recording' function.
2. Grant microphone and location permissions.
3. Select the meeting language (default is Chinese, but can be changed).
4. Click the red dot to start recording. The audio will be transcribed in real-time.
5. Click the red dot again to end recording. The recording will be automatically saved to 'Summary and Playback'.

4.4 AI Voice Smart Dialogue

Engage in real-time voice conversations with AI, ask questions, and receive answers.

1. Go to the 'AI' page in the app and select 'AI Dialogue' or the 'phone icon' in the top right.
2. Grant microphone permissions.
3. Select the dialogue language in the top right corner and start asking questions.
4. Wait 1-2 seconds for Nebula to respond and broadcast the answer.
5. Control Buttons:
   • Pause/Play: Click the left button to pause or resume the AI's response.
   • Text Display: Click the right 'Text' button to toggle text display on/off.
   • Exit: Click the bottom 'red cross' to return to the 'AI Function' page.

4.5 Audio/Video Call

Real-time translation during online calls, even if the other party doesn't have the app.

1. On the app homepage, select 'Audio/Video Call' mode. Grant microphone and camera permissions.
2. ID Invitation Call:
   • Enter the other party's personal ID account and click 'Invite' to make a call.
   • Select video or voice call and choose languages.
   • During the call, your speech will be instantly translated in real-time.
3. Share Link Call:
   • Click 'Invite Friends' to copy a shareable link.
   • Share the link with your friends.
   • The other party can click the link to start a real-time voice chat with corresponding translation.
4. Call History: Click the call history icon in the top right to view and edit past call records.

4.6 Summary and Playback

This section stores original audio and transcribed files from 'Live Recording', 'Simultaneous Interpretation', 'Headphone + Mobile Mode', and 'Dual Ear Mode'.

1. Recording Playback: You can play back or share recordings at any time. Organize records by time, location, or audio type. Swipe left to delete records.
2. Quick Summary: Select an audio playback and click the 'Summary' button. Nebula will quickly summarize the content for you.
3. Share: Click the top-right 'Share' button to save files locally or share them on other platforms.

4.7 Voice Wake-up

Call a wake-up word for quick voice chat.

1. On the app homepage, select the 'AI button' and grant microphone permissions.
2. In the AI dialogue interface, click 'Voice Wake-up' at the bottom.
3. Choose your preferred wake-up word from the options.
4. Different wake-up words are paired with different voice tones to meet personalized needs.
5. Once set, you can use the wake-up word to initiate AI voice dialogue.

5. Specifications

6. Maintenance and Care

• Cleaning: Regularly clean the earbuds and charging case with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
• Storage: When not in use, store the earbuds in their charging case to protect them from dust and damage.
• Water Resistance: The earbuds are described as 'Waterproof Headphones'. While they can withstand splashes and sweat, avoid submerging them in water. Dry them thoroughly if they get wet.
• Battery Life: To prolong battery life, avoid extreme temperatures and fully charge the device before long periods of inactivity.

7. Troubleshooting

7.1 Connection Issues

• Earbuds not pairing: Ensure both earbuds are charged. Turn off and on your device's Bluetooth. Try resetting the earbuds by placing them in the case, closing it, and reopening after a few seconds.
• App not connecting to earbuds: Verify that the earbuds are successfully paired via your phone's Bluetooth settings. Ensure the NebulaBuds app has all necessary permissions granted. If activation failed, re-check the activation code or try manual connection in the app's 'Connection Management'.
• Intermittent connection: Ensure you are within the 10m transmission distance. Avoid obstacles between the earbuds and your device.

7.2 Audio Issues

• No sound: Check the volume levels on both your device and the earbuds. Ensure the earbuds are properly connected.
• Poor sound quality: Ensure the earbuds are clean and free from debris. Check for interference from other wireless devices.

7.3 Translation Issues

• Translation inaccuracy: Ensure a clear speaking environment with minimal background noise. Speak clearly and at a moderate pace. Verify that the correct source and target languages are selected in the app.
• Translation not playing: Check if 'Silent Mode' is active in the app. Ensure earbud volume is adequate.

7.4 App Issues

• App crashing or freezing: Close and restart the app. Ensure your phone's operating system and the NebulaBuds app are updated to the latest versions.
• Permissions issues: Go to your phone's app settings and manually grant all required permissions for NebulaBuds.

8. User Tips

• Optimal Translation: For the best translation accuracy, speak clearly and directly into the earbud's microphone. Minimize background noise when using translation features.
• Battery Management: Keep the charging case with you to extend earbud usage time throughout the day. A quick charge can provide hours of listening.
• App Exploration: Take time to explore all the features within the NebulaBuds app, especially the 'Summary and Playback' for reviewing past conversations and recordings.
• Comfort Fit: Experiment with the earbud placement to find the most comfortable and secure fit for extended wear, especially during activities.

9. Frequently Asked Questions (FAQ)

Q: How many languages do the HY-T26 AI Earbuds support?

A: The earbuds support over 125 languages for real-time translation through the NebulaBuds app.

Q: Can I use these earbuds for regular music listening?

A: Yes, the HY-T26 AI Earbuds deliver premium HIFI sound quality for music playback, in addition to their translation features.

Q: Do these earbuds have Active Noise Cancellation (ANC)?

A: No, these earbuds feature an open-ear design, which allows you to hear ambient sounds for safety and awareness, and do not include Active Noise Cancellation.

Q: What is the battery life of the earbuds?

A: The earbuds provide approximately 7 hours of usage time on a single charge. With the charging case, the total battery life extends up to 15 hours.

Q: Is an internet connection required for translation?

A: Yes, an internet connection (Wi-Fi or mobile data) is required for the real-time translation features to function.

10. Warranty and Support

For detailed warranty information and customer support, please refer to the official product documentation or contact the HYUNDAI Audio Store directly. You can also consult the comprehensive user manual PDF for further guidance:

View User Manual (PDF)

Please retain your proof of purchase for any warranty claims.

11. Product Video

Watch this video for a visual overview of the HYUNDAI HY-T26 AI Earbuds and their features: