1. Introduction
Thank you for choosing the LAMYOO Digital Rechargeable Invisible Hearing Aids, Model 915. This manual provides essential information for the safe and effective use of your new hearing aids. Please read it thoroughly before use and retain it for future reference.
These hearing aids are designed to provide clear sound and reduce background noise, enhancing your listening experience in various environments. They feature a discreet design, one-button control, and a long-lasting rechargeable battery.
2. Product Overview
2.1 Package Contents
- 2 x LAMYOO Digital Rechargeable Invisible Hearing Aids
- 1 x Portable Charging Case
- 1 x USB Charging Cable
- Multiple sizes of ear domes (ear tips)
- 1 x Cleaning Brush
- 1 x User Manual (this document)
2.2 Key Features
- Advanced Digital Technology: Superior sound processing and amplification with intelligent noise reduction.
- Comfort & Discretion: Ergonomic design for a snug, nearly invisible fit.
- User-Friendly Operation: Simple one-button control for volume adjustment (four settings) and memory function.
- Extended Battery Life: Up to 100 hours of continuous use per charge, with a portable charging case providing five full charges.
- Lightweight & Portable: Crafted with medical-grade materials for durability and skin-friendliness.
2.3 Product Components
Familiarize yourself with the main components of your hearing aids and charging case:

Image 2.3.1: The LAMYOO Digital Rechargeable Invisible Hearing Aids shown inside their open charging case. The hearing aids are small, beige-colored, and fit snugly into their respective charging slots. A digital display on the case shows "100", indicating the battery level of the case.

Image 2.3.2: A visual representation highlighting key features of the LAMYOO hearing aids. The image displays the charging case with hearing aids, surrounded by circular labels pointing to features such as "Comfortable Fit", "Rechargeable", "Digital Chip", "Natural Sound", "Battery Level Display", and "Active Noise Cancellation".
3. Setup
3.1 Initial Charging
- Before first use, fully charge the portable charging case and the hearing aids.
- Connect the USB charging cable to the charging port on the case and to a standard USB power adapter (not included).
- Place the hearing aids into their respective slots in the charging case. Ensure they are correctly seated.
- The digital display on the charging case will show the battery percentage. A full charge for the case takes approximately 2 hours. The hearing aids will charge simultaneously.
- Once fully charged, the display will show "100". Disconnect the charging cable.
The charging case provides up to five full charges for the hearing aids, offering up to 100 hours of use per hearing aid charge.

Image 3.1.1: The LAMYOO hearing aids in their charging case, illustrating the "Extra-Long Battery Life" feature. Text indicates "2-Hour Charge Time", "30 Hours Of Use on a Single Charge", and "150 Hours With Charging Case".
3.2 Selecting and Fitting Ear Domes
Choosing the correct ear dome size is crucial for comfort and optimal sound quality. Experiment with the different sizes provided to find the best fit for your ear canal.
- Gently attach an ear dome to the sound outlet of the hearing aid.
- Insert the hearing aid into your ear canal. It should feel snug but not uncomfortable.
- If you experience whistling or feedback, try a different size ear dome. A proper seal minimizes sound leakage.
3.3 Correct Wearing Position
Proper placement ensures both comfort and effective sound delivery.

Image 3.3.1: A visual guide demonstrating the correct and incorrect methods for wearing and handling the hearing aids. The top row shows correct actions like proper insertion, touching the control button, pinching the pull wire, separating the aids, and opening the palm. The bottom row illustrates incorrect actions such as improper insertion, touching the sound pickup hole, touching the sound outlet, and holding the aids incorrectly in the palm.
- Gently insert the hearing aid into your ear canal until it sits comfortably and securely.
- Ensure the pull wire (if present) is accessible for easy removal.
- Avoid touching the sound pickup hole or sound outlet directly with your fingers to prevent damage or blockage.
4. Operating Instructions
4.1 Power On/Off
- Power On: The hearing aids automatically power on when removed from the charging case.
- Power Off: Place the hearing aids back into the charging case to automatically power them off and begin charging.
4.2 Volume Adjustment
The hearing aids feature a simple one-button control for adjusting volume levels.
- Increase Volume: Short press the control button on the hearing aid. Each short press cycles through the four available volume settings.
- Decrease Volume: Continue pressing the button until the desired volume is reached. The device will cycle from the highest to the lowest setting.
- The device has a memory function, retaining your last used volume setting when powered off and on.
5. Maintenance and Care
5.1 Cleaning Your Hearing Aids
- Regularly clean your hearing aids to ensure optimal performance and hygiene.
- Use the provided cleaning brush to gently remove any earwax or debris from the ear dome and sound outlet.
- Wipe the body of the hearing aid with a soft, dry cloth. Do not use water or cleaning solutions directly on the hearing aids.
- Ensure the charging contacts on both the hearing aids and the charging case are clean and free of debris.
5.2 Storage
- When not in use, store your hearing aids in the charging case to protect them and keep them charged.
- Store the charging case and hearing aids in a cool, dry place, away from direct sunlight and extreme temperatures.
- Keep out of reach of children and pets.
5.3 General Care Tips
- Avoid dropping the hearing aids or exposing them to strong impacts.
- Do not expose them to excessive moisture or humidity. Remove them before showering, swimming, or using hairspray.
- Do not attempt to repair the device yourself. Contact customer support for assistance.
6. Troubleshooting
If you encounter any issues with your LAMYOO hearing aids, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound or weak sound | Low battery; Ear dome blocked by earwax; Volume too low; Hearing aid not properly inserted. | Charge the hearing aids; Clean the ear dome and sound outlet; Increase volume; Re-insert the hearing aid correctly. |
| Whistling or feedback sound | Improper fit; Ear dome too small; Earwax buildup in ear canal. | Ensure proper insertion; Try a larger ear dome for a better seal; Consult a medical professional for earwax removal if necessary. |
| Hearing aid not charging | Poor contact with charging pins; Charging cable or adapter faulty; Charging case battery empty. | Ensure hearing aids are correctly seated in the case; Clean charging contacts; Try a different USB cable or adapter; Charge the charging case. |
| Sound is distorted or unclear | Ear dome blocked; Hearing aid malfunction. | Clean the ear dome and sound outlet thoroughly; If problem persists, contact customer support. |
If the problem persists after trying these solutions, please contact LAMYOO customer support for further assistance.
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | 915 |
| Brand | LAMYOO |
| Color | Carbon Black |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Special Features | Adjustable, Invisible, Lightweight, Noise Cancellation, Rechargeable |
| Battery Type | Lithium Polymer (included) |
| Battery Life (Hearing Aid) | Up to 100 hours per charge |
| Charging Case Capacity | Provides 5 full charges for hearing aids |
| Charging Time (Case) | Approximately 2 hours |
| Package Dimensions | 4.92 x 3.7 x 1.65 inches |
| Item Weight | 5.93 ounces (total package) |
8. Warranty and Support
LAMYOO products are manufactured with quality and reliability in mind. For information regarding warranty coverage, please refer to the documentation included with your purchase or contact your retailer.
If you have any questions, require technical assistance, or experience any issues with your LAMYOO Digital Rechargeable Invisible Hearing Aids, please contact our customer service team. We are committed to providing support within 12 hours to ensure your satisfaction.
For the most up-to-date contact information, please visit the official LAMYOO website or refer to your purchase receipt.





