1. Introduction
Thank you for choosing the OYIB S75 Real-Time Translator Earbuds. These earbuds are designed to facilitate seamless communication across language barriers, offering real-time translation in 164 languages. Beyond translation, they also function as high-quality wireless earbuds for music playback and phone calls. This manual will guide you through the setup, operation, and maintenance of your new device.

Image: OYIB S75 AI Translation Earbuds highlighting key features.
2. Package Contents
Please check the box for the following items:
- Charging Case
- OYIB S75 Wireless Earbuds (Left and Right)
- USB Charging Cable
- User Manual
- Eartips (3 sizes: S/M/L)
- Translation Manual (with built-in authorization code)

Image: Contents of the OYIB S75 package.
3. Product Overview
The OYIB S75 earbuds feature an ergonomic design with ear hooks for a secure fit, making them suitable for various activities including sports. They are equipped with advanced AI technology for real-time translation and Bluetooth 5.4 for stable connectivity.
Key Features:
- 3-in-1 Functionality: Real-time translation, music playback, and phone calls.
- Extensive Language Support: Online translation for 164 languages.
- Multiple Translation Modes: AI Dialogue, Free Conversation, Earbud+Phone, Voice Note, Translation Machine, and AI Chat.
- Photo Translation: Translate text from images in 20 languages with 98% accuracy.
- Advanced Audio: HiFi 360° stereo sound with 13mm dynamic drivers and CVC8.0 noise reduction for clear calls.
- Long Battery Life: Up to 10 hours on a single charge, extended to 50 hours with the charging case.
- Fast Charging: USB-C fast charging, 1.5 hours for a full charge.
- Durable Design: IPX7 waterproof rating, suitable for daily use and workouts.

Image: OYIB S75 Earbuds and Charging Case.

Image: Detailed view of an earbud's internal structure.
4. Setup
4.1 Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case. Connect the provided USB-C cable to the charging port on the case and a power source. The LED display on the case will show the battery level. A full charge takes approximately 1.5 hours.

Image: Battery life and charging details.

Image: Bluetooth 5.4 and LED power display.
4.2 App Installation
To unlock the full translation capabilities, download the "Ear Dance" application on your smartphone.
- Method 1 (QR Code): Scan the QR code provided in the instruction manual or on the product packaging to download and install the "Ear Dance" app.
- Method 2 (App Store): Search for "Ear Dance" in your device's app store (Google Play Store for Android or Apple App Store for iOS) and install the application.
You can also download the app directly from this link: Ear Dance App Download

Image: Methods to connect to the "Ear Dance" app.
4.3 Bluetooth Pairing
The earbuds feature one-step auto-pairing for convenience.
- Open the Case: Open the charging case. The earbuds will automatically power on and enter pairing mode.
- Enable Bluetooth: On your smartphone, go to Bluetooth settings and ensure Bluetooth is enabled.
- Select Device: Look for "S75" in the list of available devices and select it to connect.
- Automatic Connection: Once paired, the earbuds will automatically connect to your phone when the case is opened.

Image: One-step auto-pairing process.
4.4 Authorization Code
Some features of the "Ear Dance" app may require an authorization code. This code is typically found in the translation manual included in your package.
- Locate Code: Find the authorization code in your translation manual. (Example: 12345678)
- Enter Code: Follow the app's prompts to enter the authorization code when requested.
Note: The authorization code is permanently valid. If you switch phones, you can re-bind the earbuds by re-entering the authorization code.

Image: Authorization code input process.
5. Operating Instructions
5.1 Smart Touch Controls
The earbuds feature intuitive touch controls for managing music, calls, and activating the digital assistant.
| Action | Function |
|---|---|
| Single Tap (L/R) | Play/Pause Music |
| Single Tap (L/R) | Answer/End Call |
| Long Press 2s (L) | Previous Track / Volume Down |
| Long Press 2s (R) | Next Track / Volume Up |
| Triple Tap (L/R) | Activate Digital Assistant |
| Long Press (during call) | Reject Call |

Image: Smart touch control guide.
5.2 Translation Modes
The OYIB S75 earbuds offer various translation modes to suit different communication scenarios, all accessible via the "Ear Dance" app.
- AI Dialogue Mode: Engage in natural, fluid conversations with AI-based translation. This mode allows for seamless back-and-forth communication.
- Free Conversation Mode: Automatically detect and translate languages in real-time without needing to press buttons. Ideal for hands-free communication between speakers of different languages.

Image: Free Conversation Mode in action.
- Earbud + Phone Mode: Share one earbud with a friend for two-way translation. One person uses an earbud, and the other uses the smartphone. The system automatically detects when speech ends for direct bilingual conversation.

Image: Earbud + Phone Mode for shared translation.
- Translation Machine Mode: This mode functions as a standard translator, integrating with Microsoft and Google Translate for up to 98% accuracy. Simply press the language button for instant translation, and the audio will play through your phone's speaker.

Image: Translation Machine Mode for direct translation.
- Voice Note Mode: Convert spoken words from conferences, classes, or videos into text notes, ensuring no important content is missed. Continuous recording is limited to 30 minutes; revise and restart recording as needed.

Image: Voice Note Mode for converting speech to text.
- AI Chat Mode: Access a version of OpenAI ChatGPT 4.0 Mini for intelligent, efficient, and quick responses. This mode supports 8 languages and can provide accurate answers to your questions.

Image: AI Chat Mode for intelligent assistance.
- Photo Translation Function: Within the "Ear Dance" app, take a photo of any text, and it will be translated into your desired language in real-time. This is useful for reading foreign signs or menus. Supports 20 languages with 98% accuracy, recognizing both printed and handwritten text.

Image: Overview of the 7 translation modes.
5.3 Music Playback and Calls
The OYIB S75 earbuds deliver HiFi stereo sound for an immersive listening experience and clear calls thanks to CVC8.0 noise reduction.
- Music: Use the touch controls to play, pause, skip tracks, and adjust volume.
- Calls: Answer, end, or reject calls using the touch controls. The CVC8.0 technology effectively reduces ambient noise, ensuring your voice is heard clearly during calls.

Image: High-Quality Stereo Sound components.

Image: ENC Noise Reduction for clear calls.
6. Maintenance
6.1 Cleaning
Regular cleaning helps maintain optimal performance and hygiene.
- Gently wipe the earbuds and charging case with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, solvents, or aerosol sprays.
- Remove eartips and clean them with mild soap and water if necessary, ensuring they are completely dry before reattaching.
6.2 Water Resistance (IPX7)
The OYIB S75 earbuds are IPX7 waterproof, meaning they can withstand immersion in up to 1 meter of water for 30 minutes. They are resistant to sweat and rain, making them suitable for workouts and outdoor activities.
- Do not intentionally submerge the earbuds in water for extended periods.
- Ensure the charging port is dry before charging to prevent damage.
- The charging case is not waterproof.

Image: Waterproof design for daily use.
6.3 Storage
Store the earbuds in their charging case when not in use to protect them and keep them charged. Avoid extreme temperatures and direct sunlight.
7. Troubleshooting
If you encounter any issues with your OYIB S75 earbuds, please refer to the following common solutions:
| Problem | Solution |
|---|---|
| Earbuds not pairing |
|
| No sound or low volume |
|
| Translation not working |
|
| Earbuds not charging |
|
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | S75 |
| Brand | OYIB |
| Connectivity Technology | Wireless (Bluetooth 5.4) |
| Material | Fabric, Plastic |
| Earbud Battery Life | Up to 10 hours |
| Total Playtime (with case) | Up to 50 hours |
| Charging Time | Approx. 1.5 hours (USB-C) |
| Water Resistance Rating | IPX7 |
| Weight | 120g (total package) |
| Compatible Devices | Phones, Desktops, Laptops, Tablets, TVs |
| Control Method | Application, Touch |
| Special Features | Real-time translation, AI technology, Multi-mode translation app |
9. Warranty Information
OYIB products are manufactured to high-quality standards. This product is covered by a limited warranty from the date of purchase. Please refer to the warranty card included in your package or contact customer support for specific warranty terms and conditions.
10. Support
For further assistance, technical support, or inquiries regarding your OYIB S75 Real-Time Translator Earbuds, please contact OYIB customer service through the contact information provided in your product packaging or on the official OYIB website. Our support team is available to help you with any questions or issues you may have.



