Parfesod Q28S
Parfesod AI Translation Earbuds Q28S User Manual
Model: Q28S | Brand: Parfesod
1. Introduction
The Parfesod AI Translation Earbuds Q28S are designed to facilitate seamless communication across language barriers. These earbuds offer real-time translation in numerous languages, offline translation capabilities, and noise-canceling technology, making them suitable for travel, business, and learning environments. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance of your device.

Figure 1: Parfesod AI Translation Earbuds Q28S in their charging case, displaying battery percentage.
What's in the Box
- AI Translation Earbuds (Left and Right)
- Charging Case
- Charging Cable
- User Manual
2. Setup Guide
2.1 Initial Charging
Before first use, fully charge the earbuds and the charging case. Connect the charging cable to the case and a power source. The display on the charging case will indicate the charging status.
2.2 Downloading the Application
The translation earbuds require a dedicated application for full functionality. The app offers lifetime usage rights for all core functions without subscription fees or ads.
- Ensure your phone has an active internet connection (WLAN or Cellular Data).
- Open your phone's app store (App Store for iOS, Google Play Store for Android).
- Search for the application named "ObtuneAI".
- Download and install the application.

Figure 2: Visual guide for downloading the ObtuneAI application and enabling Bluetooth.
2.3 Connecting to Your Phone via Bluetooth
The earbuds connect to your phone via Bluetooth. No complex codes are required.
- Take the earbuds out of the charging case. They will power on automatically.
- On your phone, go to the Bluetooth settings and ensure Bluetooth is turned on.
- In the list of available devices, find and tap on "Q28S" to connect. The connection should be established within 3 seconds.

Figure 3: Step-by-step instructions for Bluetooth pairing with your smartphone.
2.4 Wearing the Earbuds
For optimal comfort and sound quality, ensure the earbuds are worn correctly.
- Insert the ear tips into your ears.
- Place the ear hook over your earlobes.
- Gently rotate the earbud to ensure a secure and comfortable fit.
3. Operating Instructions
The Parfesod AI Translation Earbuds offer multiple modes to suit various communication needs.

Figure 4: Overview of the multiple translating modes available with the earbuds.
3.1 Multi-Translating Modes
The earbuds support various translation modes accessible through the companion app:
- Business Mode: Ideal for private negotiations, business presentations, and corporate visits, ensuring smooth communication.
- Personal Mode: Suitable for class learning, enjoying talk shows, and academic exchanges.
- Custom Mode: Includes Earbuds + Phone Translation Mode, Split Earbuds Translation Mode, and One-way Instant Translation Mode for flexible use.

Figure 5: Demonstrating real-time conversation translation between two users.
3.2 Offline Translation
The earbuds support offline translation, which is crucial for environments without internet access. To use this feature:
- Ensure you have downloaded the necessary language packs in advance while connected to a network.
- Activate offline mode within the application.
This allows for seamless translation even in areas with no signal or poor network conditions.

Figure 6: Offline translation in use, showing pre-downloaded language packs for travel.
3.3 AI Conversation Mode
Engage with the embedded AI language partner for instant responses and boundless conversations. This mode utilizes natural language processing to translate phrases, clarify grammar, and provide context-specific interpretations, adapting to any accent.

Figure 7: The AI Talk feature providing instant language assistance.
3.4 Record Assistant
The Record Assistant feature allows for seamless audio capture and effortless recall. Activate it for precision sound capture during meetings or lectures. Recordings can be edited and exported directly from the app, eliminating the need for manual notes.

Figure 8: The Record Assistant capturing and transcribing a conversation in real-time.
4. Key Features
4.1 High Translation Accuracy and Language Support
The AI-powered translation function has undergone rigorous testing to ensure high accuracy. It supports up to 144 languages and accents, providing more accurate and complete translations compared to other devices, even in challenging environments.

Figure 9: Visual representation of the extensive language support (144+ languages and accents).
4.2 Upgraded Noise Cancellation
The earbuds feature upgraded noise-canceling technology, which enhances translation precision by minimizing ambient noise. This ensures clearer audio input and output, leading to more accurate translations, especially in noisy environments.

Figure 10: Illustration of precision-enhanced translation with improved noise cancellation, showing accuracy boost.

Figure 11: Visual representation of how upgraded noise cancellation sharpens translation precision.
4.3 All-Day Power Battery
The translation earbuds provide an impressive 6-hour continuous translation time. When used with the charging case, the total usage time extends to 60 hours. Power displays on both the case and earbuds allow you to monitor battery levels and ensure uninterrupted use for translations, music, or phone calls.
- 7 Hours Consecutive Translation
- 10 Hours Music Time
- 10 Hours Phone Call
- 60 Hours Total Battery Life with Charging Case

Figure 12: Detailed battery performance for continuous translation and other functions.
5. Maintenance
5.1 Cleaning
Regular cleaning helps maintain the performance and hygiene of your earbuds.
- Gently wipe the earbuds and charging case with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, solvents, or aerosol sprays.
- Avoid getting moisture in any openings.
5.2 Storage
When not in use, store the earbuds in their charging case to protect them from dust and damage. Store the case in a cool, dry place away from direct sunlight and extreme temperatures.
6. Troubleshooting
If you encounter any issues with your Parfesod AI Translation Earbuds, refer to the following common solutions:
- Earbuds not connecting: Ensure Bluetooth is enabled on your phone and the earbuds are out of the charging case. Try restarting your phone and reconnecting.
- Translation inaccuracy: Check your internet connection (if not using offline mode). Ensure language packs are downloaded for offline use. Speak clearly and at a moderate pace.
- Poor audio quality: Ensure earbuds are clean and properly seated in your ears. Check for any obstructions in the earbud speakers.
- Battery not charging: Verify the charging cable is securely connected to both the case and the power source. Ensure the charging contacts on the earbuds and case are clean.
- App issues: Ensure the app is updated to the latest version. Try force-closing and reopening the app.
For further assistance, please contact our customer service team.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | Q28S |
| Package Dimensions | 4.09 x 3.54 x 1.54 inches |
| Item Weight | 5 ounces |
| Batteries | 1 Lithium Polymer batteries required (included) |
| Translation Languages | Up to 144 languages and accents |
| Continuous Translation Time | 6 hours |
| Total Battery Life (with case) | 60 hours |
| Connectivity | Bluetooth |
| Offline Mode | Supported (requires advance language pack download) |
| Noise Canceling | Yes |
| App Access | Lifetime access to core functions, no subscription fees |
8. Warranty and Support
The Parfesod AI Translation Earbuds Q28S come with a commitment to customer satisfaction. The companion application provides lifetime usage rights for all core functions, ensuring no hidden costs or annoying advertisements.

Figure 13: The application guarantees lifetime free access without additional charges or ads.
Our customer service team is available to assist with any questions or difficulties you may encounter. Please refer to the contact information provided with your product packaging or within the application for support.
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