ERAZERL XT66 PRO silver
ERAZER XT66PRO AI Translation Earbuds User Manual
Model: XT66 PRO silver | Brand: ERAZERL
Introduction
The ERAZER XT66PRO AI Translation Earbuds are designed to provide real-time language translation and high-quality audio. Featuring advanced AI technology, these open-ear wireless Bluetooth earphones support translation in 135 languages, enabling seamless communication for travel, business, and daily interactions. They offer a comfortable fit, long battery life, and stable connectivity.
What's in the Box

Image: The ERAZER XT66PRO AI Translation Earbuds and their charging case.
- Smart Charging Case
- AI Translator Earbuds (Left and Right)
- Type-C Charging Cable
- Earjoy APP Overview (with QR code for download)
- User Manual
- Packaging Box
Setup
Initial Charging
Before first use, fully charge your ERAZER XT66PRO earbuds and charging case. Connect the provided Type-C charging cable to the charging case and a power source. A full charge takes approximately 1.5 hours.

Image: The ERAZER XT66PRO earbuds and charging case, highlighting battery life indicators.
Connecting to Your Device
- Step 1: Connect Earbuds to Phone via Bluetooth.
Open the charging case and remove the earbuds. They will automatically enter pairing mode. On your smartphone, go to Bluetooth settings and select "ERAZER XT66PRO" from the list of available devices. Ensure Bluetooth is enabled on your phone.
- Step 2: Connect Earbuds to the Earjoy APP.
Download the official Earjoy APP from your phone's app store (scan the QR code provided in the box or search directly). Once installed, open the Earjoy APP and follow the in-app instructions to connect your earbuds. This step is crucial for accessing AI translation features.

Image: Visual guide for downloading the Earjoy app and connecting the earbuds via Bluetooth.
The earbuds utilize Bluetooth 5.4 technology for a stable connection up to 10 meters (33 feet).
Operating Instructions
AI Translation Features
The ERAZER XT66PRO earbuds offer real-time translation in 135 languages through the Earjoy APP. Key translation modes include:
- AI Binaural Translation: Both earbuds work together for immersive translation.
- Headphone + Mobile Phone Translation: Use one earbud while the phone handles the other side of the conversation, ideal for face-to-face interactions.
- AI Chat: Engage in translated conversations directly within the app.

Image: The earbuds in "Translation Machine Mode," showing how the phone app facilitates real-time translation during conversations.

Image: Illustrations of various translation modes, including AI chat, headphone-to-phone translation, and binaural translation.
Audio Playback and Calls
Beyond translation, the XT66PRO earbuds deliver high-quality sound for music and calls. Enjoy clear audio and stable connections for all your listening needs.

Image: An exploded view of the earbud, showcasing its internal audio components for high-quality sound.

Image: The earbuds and case, emphasizing Bass+ Acoustics for powerful and intensive sound.
Anti-Loss Function
The earbuds feature an anti-loss function to help you locate them if misplaced. When activated through the app, the Bluetooth headset emits a sound prompt, and you can follow the positioning navigation on your phone.

Image: The anti-loss feature, displaying the earbuds' location on a map via the connected phone.
Official Product Video
Video: An official product video demonstrating the features and usage of the ERAZER XT66PRO AI Translation Earbuds, including translation capabilities, design, and connectivity.
Maintenance
Battery Life
The ERAZER XT66PRO earbuds offer extended battery performance:
- Up to 8 hours of continuous listening time on a single charge.
- Up to 48 hours of total usage time with the included charging case.
Regular charging ensures optimal performance. Store the earbuds in their charging case when not in use to preserve battery life.
Water Resistance
The earbuds are designed with IPX5 water resistance, making them suitable for workouts and light rain. Avoid submerging them in water.

Image: A close-up of an earbud worn, illustrating its ergonomic design for a perfect and comfortable fit.

Image: The earbuds submerged in a clear liquid, demonstrating their skin-friendly and comfortable material, even when wet.
Troubleshooting
Connection Issues
If you experience difficulty connecting your earbuds:
- Ensure the earbuds are charged.
- Verify Bluetooth is enabled on your phone.
- Make sure the earbuds are properly paired with your phone's Bluetooth first, then connect them within the Earjoy APP.
- Try restarting your phone and the earbuds.
- If issues persist, try unpairing and re-pairing the earbuds from your phone's Bluetooth settings.
Translation Accuracy
For optimal translation accuracy:
- Speak clearly and at a moderate pace.
- Minimize background noise.
- Ensure your internet connection is stable, as real-time translation relies on cloud processing.
- Confirm the correct source and target languages are selected in the Earjoy APP.
Specifications
| Feature | Detail |
|---|---|
| Model Number | XT66 PRO silver |
| Brand | ERAZERL |
| Connectivity | Bluetooth 5.4 |
| Translation Languages | 135 languages (via Earjoy APP) |
| 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 |
| Package Dimensions | 4.29 x 3.23 x 1.54 inches |
| Item Weight | 3.2 ounces |
| Batteries Required | 1 Lithium Ion battery |
| Manufacturer | ERAZERL |
Warranty and Support
For warranty information and customer support, please refer to the documentation included in your product packaging or visit the official ERAZERL website. Contact details for support may also be available within the Earjoy APP.
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