1. Product Overview
The AXON K-88 is a compact, rechargeable in-ear hearing aid designed to amplify sound for individuals with severe hearing loss. Its discreet design and adjustable tone control offer an enhanced listening experience, filtering out unwanted noise for clearer sound perception.
Key Features:
- Rechargeable function, eliminating the need for frequent battery changes.
- Discreet in-ear design with an internal speaker for smooth sound delivery.
- Effective filtering of unwanted background noise.
- Moisture-resistant construction for enhanced durability.
- Separate wire and earphone components for convenient and safe use.
- Advanced technology for reduced electromagnetic interference.
- Adjustable tone control for personalized sound settings.

This image displays the complete package contents of the AXON K-88 Rechargeable Hearing Aid. It includes the beige-colored in-ear hearing aid unit, a black charging adapter with a two-pin plug, a USB charging cable, various sizes of clear silicone ear tips, and a small instruction manual. All these items are shown alongside a compact, black zippered carrying case, indicating portability and protection for the device.
2. Setup
2.1 Unboxing and Component Check
Carefully unpack all items from the packaging. Ensure the following components are present:
- AXON K-88 Hearing Aid Unit
- Charging Adapter
- USB Charging Cable
- Assorted Ear Tips (various sizes)
- Instruction Manual
- Carrying Case
2.2 Initial Charging
- Connect the USB charging cable to the charging port on the hearing aid unit.
- Plug the other end of the USB cable into the provided charging adapter.
- Insert the charging adapter into a standard electrical outlet.
- Allow the device to charge fully before first use. The charging indicator light will typically change color or turn off when charging is complete. A full charge may take several hours.
Note: The AXON K-88 features a built-in rechargeable battery that is not user-replaceable.
2.3 Selecting and Fitting Ear Tips
- Choose an ear tip size that provides a comfortable and snug fit in your ear canal. A proper fit is crucial for optimal sound quality and to prevent feedback (whistling).
- Gently attach the selected ear tip to the sound outlet of the hearing aid.
- Ensure the ear tip is securely fastened before inserting the device into your ear.
3. Operating Instructions
3.1 Powering On/Off
- To turn the hearing aid ON, locate the power button or switch on the device and move it to the 'ON' position.
- To turn the hearing aid OFF, move the power button or switch to the 'OFF' position. Always turn off the device when not in use to conserve battery life.
3.2 Volume Adjustment
The AXON K-88 features a button control for volume adjustment.
- Before inserting the hearing aid, set the volume to the lowest comfortable level.
- Once inserted, gradually increase the volume using the control button until the desired listening level is achieved. Avoid excessively high volumes to prevent discomfort or potential hearing damage.
3.3 Wearing the Hearing Aid
- With the volume set low and the appropriate ear tip attached, gently insert the hearing aid into your ear canal.
- Ensure it sits comfortably and securely. Do not force the device into your ear.
- Adjust the volume as needed once the device is properly seated.
4. Maintenance
4.1 Cleaning the Device
Regular cleaning helps maintain optimal performance and hygiene.
- Use a soft, dry cloth to wipe the hearing aid unit daily.
- Remove ear tips and clean them separately with a mild soap and water solution. Rinse thoroughly and allow them to air dry completely before reattaching.
- Never use harsh chemicals, solvents, or abrasive cleaners on the hearing aid.
- Avoid getting moisture into the electronic components of the device.
4.2 Storage
- When not in use, store the AXON K-88 in its provided carrying case.
- Keep the device in a cool, dry place, away from direct sunlight, extreme temperatures, and humidity.
- Store out of reach of children and pets.
4.3 Battery Care
- Charge the device regularly to maintain battery health.
- Avoid completely draining the battery frequently, as this can reduce its overall lifespan.
- If storing the device for an extended period, ensure it has a partial charge (around 50%) and recharge it every few months.
5. Troubleshooting
If you encounter issues with your AXON K-88, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound or weak sound |
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| Whistling or feedback sound |
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| Battery not charging |
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If the problem persists after attempting these solutions, please contact customer support.
6. Specifications
Detailed technical specifications for the AXON K-88 Hearing Aid:
| Feature | Detail |
|---|---|
| Brand | AXON |
| Model Name | K-88 |
| Color | Beige |
| Material | Plastic |
| Power Source | Battery Powered (Rechargeable) |
| Special Feature | Cordless, Rechargeable |
| Fit Type | In-Ear |
| Control Type | Button Control |
| Battery Description | Rechargeable (built-in, not replaceable) |
| Recommended Uses | Enhancing sound clarity in various environments, suitable for people with severe hearing loss |
| Package Dimensions | 19 x 12 x 10 cm |
| First Available Date | 14 February 2019 |
7. Warranty and Support
For warranty information, technical support, or service inquiries regarding your AXON K-88 Hearing Aid, please refer to the contact details provided with your purchase documentation or visit the official AXON website. Keep your proof of purchase for any warranty claims.





