Introduction
The Trevi EAR 100 AID Wireless Headphones with AI Simultaneous Translation and Touch Screen Display redefine the concept of wireless listening. They offer a perfect combination of high-fidelity audio, advanced noise cancellation technology, and intuitive controls. Experience music like never before with the latest generation V5.4 wireless connectivity, ensuring an extremely stable connection and high-fidelity audio reproduction. These headphones allow you to fully immerse yourself in your favorite tracks with exceptional sound quality.
Key features include Active Noise Cancellation (ANC) to eliminate external noise, Environmental Noise Cancellation (ENC) for clear calls, and a Transparency Function to stay aware of your surroundings. A revolutionary innovation is the AI-based simultaneous translation capability, breaking down language barriers in real-time for smoother communication during travel or international contexts.

Image: Trevi EAR 100 AID Wireless Headphones and their charging case.
Package Contents
Please check that all the following items are included in your package:
- Trevi EAR 100 AID Wireless Headphones (Left and Right Earbuds)
- Charging Case with Touch Display
- USB Type-C Charging Cable
- 2 Pairs of Ear Tips (different sizes)
- User Manual (this document)
Product Overview
The Trevi EAR 100 AID headphones consist of two earbuds and a smart charging case. The case features a touch screen display for easy control and monitoring.

Image: Overview of the Trevi EAR 100 AID headphones, highlighting the ANC/Transparency function, touch screen display on the case, and USB Type-C charging port.
- Earbuds: In-ear design with multi-function touch controls.
- Charging Case: Houses the earbuds, recharges them, and features a color touch screen display for advanced controls. Includes a USB Type-C port for charging the case itself.
- Microphone: Built-in for clear communication during calls.
- LED Indicator: Provides status information.
Getting Started
1. Initial Charging
Before first use, fully charge the earbuds and the charging case. Place the earbuds into the charging case. Connect the USB Type-C cable to the charging case and a compatible USB power source. The LED indicator on the case will show the charging status. A full charge provides approximately 5 hours of earbud use, extendable with the case.
2. Bluetooth Pairing
- Ensure the earbuds are in the charging case and the case is open.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for available Bluetooth devices and select "Trevi EAR 100 AID".
- Once connected, you will hear an audio prompt, and the device will show the headphones as paired.
3. AI Translation App Download
To utilize the AI simultaneous translation feature, download the AI COOL app. You can scan the QR code shown on the charging case image or visit the official download link:

Image: Smart charging case with integrated charging and a QR code for the AI COOL app download.
Operating Your Headphones
Earbud Touch Controls
The earbuds feature multi-function touch controls. Specific functions may vary slightly depending on the app or device, but generally include:
- Single Tap: Play/Pause music, Answer/End call.
- Double Tap (Left/Right): Skip track forward/backward (configurable).
- Long Press: Activate voice assistant, Reject call, Switch ANC/Transparency mode.

Image: A man wearing a Trevi EAR 100 AID earbud, demonstrating typical usage for calls or music.
Charging Case Touch Display Controls
The charging case features a color touch screen display for comprehensive control over your audio experience:
- Audio Playback: Play/Pause, Skip tracks forward/backward.
- Equalization (EQ): Adjust sound profiles.
- Audio Modes: Select between ANC, Transparency, and Normal modes.
- Call Management: Answer, end, or reject calls.
- 'Find Earbuds' Function: Helps locate misplaced earbuds.
- Customizable Screen: Choose from various dynamic and static display options.

Image: The Trevi EAR 100 AID charging case display, illustrating various customizable screen options.

Image: A hand interacting with the color LED touch screen of the charging case, showing various control icons.
Noise Control Modes
- Active Noise Cancellation (ANC): Actively eliminates external noise, allowing you to focus on your audio without distractions. This mode is ideal for noisy environments like airplanes or busy offices.
- Environmental Noise Cancellation (ENC): Enhances call clarity by reducing ambient noise for the person on the other end of the line. This ensures clear conversations even in crowded environments.
- Transparency Mode: Allows ambient sounds to pass through, keeping you aware of your surroundings while still enjoying your audio. Useful for situations where you need to hear announcements or engage in quick conversations.

Image: A woman on an airplane using the Trevi EAR 100 AID headphones, illustrating the deep active noise reduction (ANC) feature.

Image: A man using the Trevi EAR 100 AID headphones for a call, demonstrating the ENC feature for clear conversations in crowded settings.
AI Simultaneous Translation
With the AI COOL app, the Trevi EAR 100 AID headphones offer real-time simultaneous translation. Follow the app's instructions to select languages and initiate translation sessions. This feature is designed to facilitate communication across language barriers during travel, business meetings, or casual conversations.
Maintenance and Care
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Do not use abrasive cleaners or solvents.
- Storage: When not in use, store the headphones in their charging case to protect them from dust and damage.
- Battery Life: To prolong battery life, avoid exposing the device to extreme temperatures. Charge the device regularly, even if not in frequent use.
- Water Resistance: These headphones are not waterproof. Avoid exposure to liquids.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones do not turn on. | Low battery. | Charge the earbuds and charging case fully. |
| Cannot pair with device. | Bluetooth is off, headphones not in pairing mode, or device too far. | Ensure Bluetooth is on, place earbuds in case and open lid to enter pairing mode, keep devices close. Forget previous pairings and try again. |
| No sound or poor sound quality. | Volume too low, earbuds not properly seated, or connection issue. | Adjust volume on device and headphones. Ensure earbuds are correctly inserted. Re-pair the headphones. |
| AI Translation not working. | AI COOL app not installed, internet connection issue, or incorrect settings. | Ensure the AI COOL app is installed and updated. Check your internet connection. Verify language settings in the app. |
| Charging case display unresponsive. | Low battery or temporary software glitch. | Charge the case. If issue persists, try restarting the case (if applicable, refer to specific instructions in the full manual). |
Technical Specifications
| Feature | Specification |
|---|---|
| Brand | Trevi |
| Model Name | EAR 100 AID |
| Color | Black |
| Ear Placement | In-ear |
| Form Factor | In-ear |
| Noise Control | Active Noise Cancellation, Environmental Noise Cancellation |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.4 |
| Control Method | Touch |
| Average Battery Life | 5 Hours (earbuds, extendable with case) |
| Audio Driver Type | Dynamic Driver |
| Product Features | Rechargeable Battery, Noise Cancellation, Touch Control |
| Specific Product Uses | Music, Travel, Work |
| Compatible Devices | Mobile Phones, Tablets, Laptops, Smart Speakers |
| Country of Origin | China |
Warranty and Support
Product Warranty: The Trevi EAR 100 AID Wireless Headphones come with a 24-month manufacturer's warranty from the date of purchase. Please retain your proof of purchase for warranty claims.
Customer Support: For technical assistance, warranty claims, or further inquiries, please refer to the contact information provided in the full printed manual included with your product or visit the official Trevi website.