Introduction
This manual provides comprehensive instructions for the Lexie B2 OTC Hearing Aids Powered by Bose. These devices are designed for individuals aged 18 or older with perceived mild to moderate hearing loss. The Lexie B2 hearing aids offer a self-tuning solution with app control, Bluetooth call capability for iOS devices, and rechargeable convenience. Please read this manual thoroughly before using your hearing aids to ensure proper setup, operation, and maintenance.

Image: Lexie B2 OTC Hearing Aids Powered by Bose, showing the hearing aids in their charging case, the product packaging, the Lexie B2 Plus Travel Kit with its charging case, and a USB cable.
What's in the Box
Your Lexie B2 OTC Hearing Aids package includes the following components:
- 1 Pair Lexie B2 OTC Hearing Aids Powered by Bose
- Rechargeable Charging Case
- Lexie B2 Plus Travel Carry Case (for travel bundle)
- USB-C to USB-A Cable
- Cleaning Brush with Magnet
- 3 Pairs Open Domes (Sizes 1, 2, 3)
- 3 Pairs Closed Domes (Sizes 1, 2, 3)
- Wire Sizing Tool
- User Manual
- Quick Start Guide

Image: A visual representation of the Lexie B2 hearing aids package contents, including the charging case, hearing aids, cleaning brush, various dome sizes, USB cable, user manual, and quick start guide.
Setup
Follow these steps to set up your Lexie B2 hearing aids:
- Charge the Hearing Aids: Place the hearing aids into the rechargeable charging case. Ensure the case is connected to a power source using the provided USB-C to USB-A cable. Allow them to charge fully before first use.
- Download the Lexie App: Download the Lexie app from the App Store (for iOS) or Google Play Store (for Android) on your smartphone. The app is essential for personalizing your hearing experience.
- Power On: Press and hold the button on each hearing aid to power them on.
- Pair with App: Open the Lexie app and follow the on-screen instructions to pair your hearing aids with your smartphone. The app will guide you through a self-tuning process to customize settings for your specific hearing needs.
- Select Domes: Use the provided ear-measuring tool and various dome sizes (open and closed) to find the most comfortable and effective fit for your ears. A proper fit is crucial for optimal sound quality and comfort.

Image: Close-up view of the Lexie B2 User Manual and Quick Start Guide, illustrating the initial steps for app download, powering on, and following in-app instructions.
Operating Instructions
The Lexie B2 hearing aids are controlled primarily through the Lexie app, offering various features to enhance your listening experience.
App Control Features:
- Volume Adjustment: Easily change the volume of your hearing aids directly from the Lexie app.
- Treble and Bass Settings: Adjust the tone to make voices and sounds more natural. Increase treble for brighter, crisper sounds, or use bass settings for richer, deeper sounds.
- Focus Modes:
- Front: Focuses on sound directly in front of you, ideal for conversations in noisy environments.
- Everywhere: Allows you to hear sounds from all directions, best for general listening, such as walking outdoors.
- Environment Settings: Store your preferred settings for different listening environments for quick access.
Phone Calls (iOS Users):
For users with iOS-compatible phones, the Lexie B2 hearing aids support taking and making phone calls directly through the devices. Refer to the Lexie app for specific instructions on call management.

Image: A diagram highlighting key features of the Lexie B2, including Bose hardware, iOS call streaming, up to 10 listening modes, moisture resistance, and rechargeable batteries with an 18-hour run time.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your Lexie B2 hearing aids.
Cleaning:
- Use the provided cleaning brush to gently remove any wax or debris from the domes and hearing aid body daily.
- Wipe the hearing aids with a soft, dry cloth. Avoid using water or cleaning solutions directly on the devices.
- Ensure the charging contacts on both the hearing aids and the charging case are clean and free of debris.
Charging:
- Recharge your Lexie B2 hearing aids daily using the provided charging case.
- The Lexie B2 Plus Travel Carry Case allows for on-the-go recharging, providing up to 18 hours of additional use.
- Always use the original charging cable and power adapter to prevent damage.

Image: A close-up view of the Lexie B2 hearing aids securely placed within their charging case, indicating proper storage and charging position.
Troubleshooting
If you encounter issues with your Lexie B2 hearing aids, consider the following common solutions:
- No Sound/Weak Sound:
- Check if the hearing aids are powered on and fully charged.
- Ensure the volume is adjusted to an audible level in the Lexie app.
- Clean the domes and sound outlets to remove any wax blockages.
- Verify that the correct dome size is being used and that it is properly seated in your ear.
- Feedback/Whistling:
- Ensure the hearing aids are inserted correctly and snugly in your ear.
- Try a different dome size or type (open vs. closed) for a better seal.
- Check for excessive earwax buildup in your ear canal.
- App Connectivity Issues:
- Ensure Bluetooth is enabled on your smartphone.
- Restart both your hearing aids and your smartphone.
- Re-pair the hearing aids with the Lexie app if necessary.
- Charging Problems:
- Verify that the charging cable is securely connected to both the case and a power source.
- Clean the charging contacts on the hearing aids and inside the case.
- Try a different USB port or power adapter.
For persistent issues or further assistance, please refer to the Lexie app's help section or contact Lexie Customer Support.
Specifications
| Brand | Lexie |
| Model Name | Lexie B2 |
| Power Source | Battery Powered (Rechargeable) |
| Connectivity | Bluetooth (for iOS calls) |
| Hearing Loss Suitability | Mild to Moderate |
| Usage Time | Up to 18 hours per charge |
| Color | Gray |
| Date First Available | February 20, 2025 |
Warranty and Support
Lexie is committed to providing excellent support for your hearing aids.
Warranty:
Your Lexie B2 OTC Hearing Aids come with a 1-Year Warranty. Please retain your proof of purchase for warranty claims.
Trial Period:
A 30-Day Trial period is offered, allowing you to experience the benefits of your Lexie B2 hearing aids.
Customer Support:
Lexie provides remote expert care through video or voice calls, available 6 days a week (Monday to Saturday) between 9 AM and 8 PM EST. Lexie Experts can assist with optimizing your hearing aids and provide advice and support. The Lexie app also serves as a resource for FAQs and troubleshooting.
For more information, visit the official Lexie store: Lexie Hearing Store





