1. Introduction
Thank you for choosing Chosgo K19S Rechargeable Invisible Hearing Aids. These devices are designed to provide clear sound amplification with noise cancelling features, offering a comfortable and discreet listening experience. This manual provides essential information for the proper setup, operation, maintenance, and troubleshooting of your hearing aids.
2. Product Overview and Components
Familiarize yourself with the components included in your package and the parts of the hearing aid.
Figure 1: Package Contents. Includes hearing aids, charging case, cleaning tool, Type-C cable, charger, quick guide, domes, and wax caps.
Figure 2: Hearing Aid and Charging Case Components. Identifies the pull wire, volume control, microphone input, power switch, replaceable domes on the hearing aid, and the charging port on the case.
Key Features:
- 12-Channel Digital Chip: Provides clear and natural sound.
- Dual Noise Reduction: Minimizes background noise for improved clarity.
- Invisible Design: Small and discreet for comfortable wear.
- Rechargeable: Lithium-Ion battery with magnetic charging.
- Whistle Suppression: Reduces feedback whistling.
- Button Control: For easy adjustments.
3. Setup
3.1 Initial Charging
Before first use, fully charge your hearing aids. Place the hearing aids into the charging case. Connect the Type-C data cable to the charging case and plug the charger into a power outlet. The charging indicator lights on the case will show the charging status.
Figure 3: Portable Fast Charging Case. The case provides approximately 24 hours of working time after 3 hours of charging. The case itself holds over 108 hours of backup power, allowing 4 full charges for both units or 8 for a single unit.
3.2 Selecting and Attaching Domes
Choose the ear dome size that provides the most comfortable and secure fit in your ear canal. Gently push the selected dome onto the sound outlet of the hearing aid until it is firmly attached.
Figure 4: Small and Portable Design. The hearing aid is nearly invisible in the ear and weighs approximately 2 grams.
3.3 Inserting the Hearing Aid
Gently insert the hearing aid into your ear canal. Use the pull wire to assist with positioning and removal. Ensure the hearing aid sits comfortably and securely.
4. Operating Instructions
4.1 Power On/Off
Locate the power switch on the hearing aid (refer to Figure 2). Slide the switch to the 'On' position to power on the device. Slide it to the 'Off' position to power off.
4.2 Volume Control
The hearing aids feature button control for volume adjustment. Use the provided small screwdriver tool to adjust the volume. Gently insert the screwdriver into the volume control port and turn it to increase or decrease the sound level to your preference.
Figure 5: Adjusting Volume. Use the provided tool to fine-tune the volume settings.
4.3 Noise Reduction Function
The Chosgo K19S hearing aids are equipped with dual noise reduction technology. This feature automatically processes and filters background noise, enhancing speech clarity and overall listening comfort, especially in noisy environments.
5. Maintenance and Care
5.1 Cleaning the Hearing Aids
Regular cleaning is essential for optimal performance and hygiene. Use the provided cleaning tool to gently remove any earwax or debris from the ear domes and the sound outlet. Do not use water or cleaning solutions directly on the hearing aid unless specifically instructed.
5.2 Replacing Domes and Wax Caps
The ear domes and wax caps are replaceable. Change them regularly, or when they appear worn or clogged, to maintain sound quality and prevent earwax buildup in the device. Refer to Figure 1 for the location of extra domes and wax caps.
5.3 Storage
When not in use, store your hearing aids in the charging case to protect them from dust, moisture, and physical damage. Ensure they are powered off before storage to conserve battery life.
6. Troubleshooting
If you experience issues with your hearing aids, please refer to the following common problems and solutions:
- No Sound:
- Ensure the hearing aid is powered on.
- Check if the battery is charged. Place it in the charging case.
- Inspect the ear dome and sound outlet for blockages (e.g., earwax). Clean if necessary.
- Verify the volume is not set to the lowest level.
- Weak or Distorted Sound:
- Clean the ear dome and sound outlet.
- Ensure the ear dome is properly attached and not damaged.
- Adjust the volume.
- Whistling or Feedback:
- Ensure the hearing aid is properly seated in your ear canal.
- Try a different size ear dome for a better seal.
- Check for earwax buildup in your ear canal.
- Reduce the volume slightly.
- Hearing Aid Does Not Charge:
- Ensure the charging cable is securely connected to both the case and the power adapter.
- Verify the power adapter is plugged into a working outlet.
- Clean the charging contacts on both the hearing aids and the charging case.
If the problem persists after trying these steps, please contact customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Chosgo |
| Model Number | K19S |
| Material | Plastic, Silicone |
| Style | Invisible, In-Ear |
| Power Source | Rechargeable (Lithium-Ion Battery) |
| Control Type | Button Control |
| Noise Control | Sound Isolation, Dual Noise Reduction |
| Recommended Uses | Hearing improvement for adults and seniors |
8. Warranty and Support
For warranty information and customer support, please refer to the documentation included with your purchase or contact Chosgo customer service directly. Our dedicated customer support team is available to assist you with any questions or concerns regarding your hearing aids.
You can typically find contact information on the manufacturer's website or through your point of purchase.