ERAZERL 1
ERAZER XT66PRO AI Translation Earbuds
Instruction Manual
Model: XT66PRO | Brand: ERAZERL
1. Introduction
The ERAZER XT66PRO AI Translation Earbuds are designed to facilitate seamless communication across language barriers. Equipped with advanced AI technology, these open-ear wireless Bluetooth earphones offer real-time translation in 135 languages, making them ideal for travel, business, and learning. Their ergonomic design ensures comfort for extended wear, complemented by a long-lasting battery.

Image: ERAZER XT66PRO AI Translation Earbuds in their charging case.
2. What's in the Box
Upon opening your ERAZER XT66PRO package, you will find the following items:
- AI Translator Earbuds (1 pair)
- Smart Charging Case
- Type-C Charging Cable
- User Manual
- Earjoy APP Overview (with QR code for download)

Image: All components included in the ERAZER XT66PRO package.
3. Product Features
- AI Translation Technology: New AI technology enables real-time online translation in 135 languages. The accompanying APP allows for AI binaural translation, Headphone + mobile phone translation, and AI chat functions.

Image: Visual representation of 135 languages supported for translation.
- Long Battery Life: Enjoy up to 8 hours of listening time per earbud on a single charge. With the charging case, total usage extends up to 48 hours, requiring only 1.5 hours for a full charge.

Image: Earbuds and charging case highlighting extended battery life.
- Comfortable and Lightweight Design: Ergonomically designed for a secure and comfortable fit, these translator earbuds remain stable during physical activities and are suitable for all-day wear.

Image: Earbud demonstrating comfortable fit on a user's ear.
- Bluetooth 5.4 Connectivity: The earbuds utilize Bluetooth 5.4 for seamless and stable connections up to 10 meters, ensuring clear sound quality for music and calls.
- IPX5 Waterproof Rating: Designed to withstand splashes and sweat, making them suitable for various environments and activities.
Video: Demonstrates the IPX5 waterproof capabilities of the earbuds and charging case.
4. Setup Guide
4.1 Initial Connection
- Ensure the earbuds are charged. The charging case features an LED digital display indicating battery level.
- Open the charging case and remove the earbuds. They will automatically enter pairing mode.
- On your mobile phone, navigate to Bluetooth settings and select "ERAZER XT66PRO" from the list of available devices to pair.
4.2 App Connection and Setup
To unlock the full translation capabilities, you must connect the earbuds to the dedicated Earjoy APP:
- Download the Earjoy APP by scanning the QR code provided in the packaging or searching for it in your device's app store.
- Open the Earjoy APP and follow the on-screen instructions to log in or create an account.
- Within the APP, connect the earbuds via Bluetooth. This step is crucial for activating translation features.

Image: Visual guide for app download and Bluetooth connection.
5. Operating Instructions
5.1 Translation Modes
The ERAZER XT66PRO offers multiple translation modes through the Earjoy APP:
- AI Binaural Translation: Both earbuds are used for real-time, two-way translation.
- Headphone + Mobile Phone Translation: One earbud is worn by you, and the mobile phone is used for the other person to speak into, facilitating face-to-face conversations.
- AI Chat: Engage in text-based AI conversations within the app, with translation provided.

Image: Overview of the various translation modes available in the Earjoy APP.
5.2 General Use
- Audio Playback: Use the earbuds for listening to music or other audio content.
- Call Management: Answer or end calls using the multi-function keytouch position on the earbuds.
- Volume Control: Adjust volume through your connected device.

Image: Earbuds in use during a conversation, demonstrating real-time dialogue.
6. Maintenance
6.1 Cleaning
To maintain optimal performance and hygiene, regularly clean your earbuds and charging case:
- Wipe the earbuds and charging case with a soft, dry, lint-free cloth.
- Avoid using abrasive materials, solvents, or spray cleaners.
- Do not submerge the earbuds or case in water, despite their water resistance.
6.2 Water Resistance
The ERAZER XT66PRO earbuds are rated IPX5 water-resistant, meaning they can withstand splashes of 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 pressurized water jets.
7. Troubleshooting
If you encounter any issues with your ERAZER XT66PRO earbuds, please refer to the table below for common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Earbuds not connecting to phone. | Not in pairing mode; Bluetooth off; low battery. | Ensure earbuds are out of case and charged. Turn phone's Bluetooth off and on. Re-pair from phone's Bluetooth settings. |
| Translation not working in APP. | Earbuds not connected to APP; APP permissions missing. | Ensure earbuds are connected within the Earjoy APP. Check APP permissions for microphone and internet access. Restart the APP. |
| Poor sound quality. | Earbuds dirty; out of Bluetooth range; interference. | Clean earbuds. Move closer to your connected device. Avoid strong electromagnetic interference. |
| Earbuds not charging. | Charging cable issue; dirty charging contacts; case low battery. | Check Type-C cable and power source. Clean charging contacts on earbuds and case. Ensure charging case has sufficient battery. |
Important Note: You must first connect the headset to your phone via Bluetooth, and then connect the headset to the APP in your phone to enable all features. If you encounter any problems during use, please feel free to contact customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | XT66PRO (Item model number: 1) |
| Brand | ERAZERL |
| Translation Languages | 135 languages (via APP) |
| Bluetooth Version | 5.4 |
| Single Earbud Listening Time | Up to 8 hours |
| Total Battery Life (with case) | Up to 48 hours |
| Charging Time | Approx. 1.5 hours |
| Water Resistance | IPX5 |
| Item Weight | 3.2 ounces |
| Package Dimensions | 4.13 x 3.19 x 1.54 inches |
9. Warranty and Support
For any product-related inquiries, technical support, or warranty claims, please contact the ERAZERL customer service team. Refer to the contact information provided with your purchase or on the official ERAZERL website.
We are committed to providing high-quality products and excellent customer service. Your satisfaction is our priority.
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