1. Introduction
The Sansui W59 AI Translator Earbuds combine 80 years of audio expertise with modern technology to deliver an exceptional listening and communication experience. Engineered with precision, these earbuds feature top-notch components, advanced drivers, and spatial audio technology for accurate sound reproduction. With cutting-edge noise-cancellation and real-time AI translation capabilities, they are designed to enhance your daily interactions, travel, and learning.
2. Package Contents
Please check the box for the following items:
- SANSUI W59 Earbuds (2 units)
- Charging Case
- USB Charging Cable
- User Manual
- Silicone Ear Tips (various sizes)

3. Product Overview
The SANSUI W59 earbuds are designed for comfort and functionality. Below are key features and components:


4. Setup
4.1 Initial Charging
Before first use, fully charge your earbuds and charging case. Connect the provided USB charging cable to the charging port on the case and a power source. The charging case takes approximately 1.5 hours to fully charge.
4.2 Pairing with Your Device
The SANSUI W59 earbuds feature one-step pairing using Bluetooth 6.0 technology.
- Ensure the charging case is charged and the earbuds are inside.
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your smartphone or Bluetooth-enabled device, go to Bluetooth settings.
- Select "SANSUI W59" from the list of available devices.
- Once connected, the earbuds will automatically connect to the last paired device when taken out of the case.

4.3 AI Translation App Installation
To utilize the real-time AI translation feature, you will need to download and install the dedicated SANSUI AI Translation app on your smartphone. Refer to the app store for your device (iOS/Android) and search for the official SANSUI AI Translator application. Follow the in-app instructions for setup and language selection.
5. Operating Instructions
5.1 Touch Controls
The SANSUI W59 earbuds feature smart touch controls for easy management of music, calls, and features. The touch area is located on the outer surface of each earbud.
| Function | Action (Left/Right Earbud) |
|---|---|
| Power On/Off | Long press for 3-5 seconds |
| Play/Pause Music | Double tap (x2) |
| Switch Songs (Next/Previous) | Triple tap (x3) |
| Answer/End Call | Double tap (x2) |
| Noise Cancellation / Transparency Mode | Long press Right earbud for 2 seconds |
| Activate Voice Assistant (Siri/Google Assistant) | Long press Left earbud for 2 seconds |
5.2 Active Noise Cancelling (ANC) & Transparency Mode
The SANSUI W59 earbuds offer -35dB Active Noise Cancelling to eliminate up to 90% of background noise, providing an immersive audio experience. To switch between ANC and Transparency Mode, long press the Right earbud for 2 seconds. Transparency Mode allows you to hear your surroundings without removing the earbuds, enhancing safety during outdoor activities.

5.3 AI Real-time Translation
The SANSUI W59 earbuds support real-time, two-way translation in 74 languages via the dedicated app. This feature is ideal for international business, travel, learning, and general communication.
- Ensure your earbuds are connected to your smartphone and the SANSUI AI Translation app is open.
- Select the desired source and target languages within the app.
- Speak into the earbud's microphone. The app will display and vocalize the translation in real-time.
- For two-way conversations, the other person can speak into your phone's microphone, and the translation will be played through your earbuds.

Supported Translatable Languages include: Chinese, English, Japanese, Korean, French, Spanish, German, Arabic, Russian, Thai, Vietnamese, Afrikaans, Armenian, Azerbaijani, Bosnian, Bulgarian, Catalan, Croatian, Czech, Danish, Dutch, Estonian, Finnish, Galician, Greek, Hebrew, Hindi, Hungarian, Icelandic, Indonesian, Italian, Kannada, Kazakh, Latvian, Lithuanian, Macedonian, Malay, Maladi, Nepalese, Persian, Polish, Portuguese, Romanian, Serbian, Slovak, Slovenian, Swahili, Swedish, Tamil, Turkish, Ukrainian, Urdu, Welsh, Amharic, Bengali, Basque, Filipino, Irish, Gujarati, Georgian, Khmer, Laotian, Malayalam, Mongolian, Maltese, Burmese, written Norwegian, Pashto, Sinhalese, Somali, Albanian, Teluguan, Uzbek, Zulu.
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.
- Remove ear tips and clean them with mild soap and water, then dry thoroughly before reattaching.
- Do not use abrasive cleaners, alcohol, or chemical solvents.
6.2 Charging
To ensure long battery life, charge the earbuds and case regularly. The charging case provides up to 35 hours of total playtime (ANC off), with individual earbuds lasting 4-5 hours (ANC off) or 3.5 hours (ANC on) per charge.
6.3 Water Resistance
The SANSUI W59 earbuds are IPX4 waterproof, meaning they are protected against splashing water from any direction. This makes them suitable for workouts and light rain. However, they are not designed for submersion in water or exposure to heavy rain.
7. Troubleshooting
- No Sound/Connection Issues: Ensure earbuds are charged, Bluetooth is enabled on your device, and the earbuds are paired correctly. Try re-pairing if necessary.
- Poor Sound Quality: Check ear tip fit for a secure seal. Ensure earbuds are clean and free from debris.
- Translation Not Working: Verify the AI Translation app is installed, open, and connected to the earbuds. Check your internet connection for real-time translation.
- Earbuds Not Charging: Ensure the charging cable is securely connected and the power source is active. Clean charging contacts on both earbuds and case.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | SANSUI |
| Model | W59 |
| Product Type | ANC True Wireless Earbuds |
| Earbuds Type | In-Ear, Sealed Earcups |
| Active Noise Cancellation | -35dB |
| Bluetooth Version | 6.0 |
| Bluetooth Distance | ≥10m (10m-20m maximum wireless range) |
| Speaker Size | 13mm Driver Diameter |
| Speaker Impedance | 29Ω (Impedance Range: up to 32 Ω) |
| Speaker Power Rating | 3-5mW |
| Frequency Response Range | 20 - 20000Hz |
| Speaker Sensitivity | 117±3dB |
| Signal-to-Noise Ratio (S/N) | 57dB |
| Earbud Battery Capacity | 30mAh * 2 |
| Charging Case Battery Capacity | 240mAh |
| Music Playtime (ANC Off) | Approx. 4-5 Hours (up to 35 hours with charging case) |
| Calling Time (ANC Off) | Approx. 3-4 Hours |
| Charging Time | Approx. 1.5 Hours (case) |
| Waterproof Rating | IPX4 |
| Material | ABS, Plastic, Silica Gel |
| Voice Assistant | Built-in (Apple Siri Support, Google Assistant Support) |
| Microphone | Yes (Dual-channel ENC microphones) |
| Codecs | AAC, SBC |
| App Support | Yes (for AI Translation) |
| Control Type | Touch Control Buttons |
| Vocalism Principle | Dynamic |
| Communication | True Wireless |
| Functions | Video Game, Common Headphone, Mobile Phone, HiFi Headphone, Sport, Outdoor, Office, Study |
9. User Tips
- Experiment with different ear tip sizes to find the most comfortable and secure fit for optimal sound quality and noise cancellation.
- For best translation accuracy, speak clearly and at a moderate pace into the microphone.
- Keep the charging case and earbuds clean to prevent dust and debris from affecting charging contacts or sound output.
- If experiencing connectivity issues, try resetting the earbuds by placing them back in the case, closing it, and then reopening to re-initiate pairing.
10. Safety Information
- Do not expose the earbuds or charging case to extreme temperatures, direct sunlight, or fire.
- Avoid using the earbuds at high volume levels for extended periods to prevent hearing damage.
- Keep out of reach of children and pets.
- Do not attempt to disassemble or modify the product. This may void the warranty and cause damage.
- Dispose of the product and batteries responsibly according to local regulations.
11. Warranty and Support
SANSUI products are manufactured to the highest quality standards. For any issues or support, please refer to the contact information provided with your purchase or visit the official SANSUI website. Keep your proof of purchase for warranty claims.





