JINGHAO Rechargeable Sound Amplifier User Manual

Introduction

Thank you for choosing the JINGHAO Rechargeable Sound Amplifier. This personal sound amplification system is designed to enhance sound clarity and provide a comfortable listening experience in various environments. Featuring an upgraded digital processor, long battery life, and simple one-button operation, it aims to improve your daily conversations and enjoyment of sounds.

Package Contents

Please check the package to ensure all items are present:

Contents of the JINGHAO sound amplifier package including two sound amplifiers, a charging case, a charging cable, six pairs of earplugs, a cleaning brush, and a user manual.

Image: Contents of the JINGHAO sound amplifier package.

2 x Sound Amplifiers (Left and Right)
1 x Portable Charging Case
1 x USB Charging Cable
6 x Pairs of Earplugs (various sizes)
1 x Cleaning Brush
1 x User Manual

Product Overview

The JINGHAO Sound Amplifiers are designed for comfort and ease of use, featuring a compact, nearly invisible design.

Ergonomic curved design of the JINGHAO sound amplifier, showing how it fits comfortably in the ear.

Image: Ergonomic design for comfortable fit.

Each amplifier is lightweight (approximately 1.6g) and features a single multi-function button for control.

Charging the Device

The JINGHAO Sound Amplifiers come with a portable charging case for convenient charging anytime, anywhere.

JINGHAO charging case with sound amplifiers, indicating 14 hours of use after 2 hours of full charge.

Image: Charging case and battery life indication.

Insert the sound amplifiers into their respective slots in the charging case. Ensure the correct amplifier (red for right, blue for left) is placed in the corresponding slot.
Close the charging case. The indicators on the case will show the charging status.
A full charge takes approximately 2 hours and provides up to 14 hours of usage.
Important: For the best experience, fully charge your devices before first use.
When the battery capacity is low, you will hear a warning signal: "Bip Bip, Bip Bip, Bip Bip".

Setup and Wearing

Choose the Right Earplug: Select the earplug size that provides the most comfortable and secure fit. A good seal is crucial for optimal sound quality and to prevent whistling. The package includes 6 pairs of earplugs of various sizes.
Insert the Amplifier: Gently insert the sound amplifier into your ear canal. Ensure it sits snugly and comfortably. The device is designed to be almost invisible once properly inserted.

Elderly couple smiling, with an illustration showing the small size of the JINGHAO sound amplifier and various earplug sizes.

Image: Selecting the correct earplug size for comfort.

Operating Instructions

The JINGHAO Sound Amplifier features a simple one-button operation for all functions.

Diagram showing how to operate the JINGHAO sound amplifier with a single button for power and volume adjustment.

Image: Single button operation for power and volume.

Detailed diagram of the single button operation for power, mode change, and volume control.

Image: Detailed button functions.

Power On/Off

To Power On: Press and hold the button for 4 seconds. (Please turn on the aids after inserting them into the ear).
To Power Off: Press and hold the button for 4 seconds.
The device has a mode and volume memory function, automatically resetting to the previous volume and mode upon startup.

Volume Adjustment

To Adjust Volume: Short press the button. There are 6 volume levels.
The device will emit a "Bip Bip Bip" sound when the maximum volume is reached.

Mode Selection

The amplifier offers different modes to adapt to various listening environments.

Diagram showing four listening modes: Normal, Restaurant, Outdoor, and Music, with corresponding beep patterns.

Image: Four listening modes for different situations.

To Change Mode: Press and hold the button for 2 seconds.
The device cycles through 4 modes:
- Mode 1: Normal (Beep) - For general daily use.
- Mode 2: Restaurant (Beep Beep) - Reduces background noise in noisy environments.
- Mode 3: Outdoor (Beep Beep Beep) - Optimized for outdoor sounds.
- Mode 4: Music (Beep Beep Beep Beep) - Enhances music listening experience.

Maintenance

Proper maintenance ensures the longevity and optimal performance of your sound amplifiers.

Cleaning: Use the provided cleaning brush to regularly remove earwax and debris from the earplugs and the amplifier's sound outlet.
Storage: When not in use, store the amplifiers in their charging case to protect them and keep them charged.
Avoid Moisture: Keep the devices dry. Avoid exposure to water or excessive humidity.
Handle with Care: Avoid dropping the devices or subjecting them to strong impacts.

Troubleshooting

If you encounter any issues, please refer to the following common solutions:

Problem	Possible Cause	Solution
No sound or low sound	Battery is low or depleted. Volume is too low. Earplug is blocked by earwax. Device is not properly inserted.	Charge the device fully. Increase the volume. Clean the earplug and sound outlet with the brush. Re-insert the device correctly.
Whistling or Feedback	Earplug is not sealed properly. Earplug is too small. Device is not fully inserted. Volume is too high.	Adjust the device's position in the ear. Try a larger earplug size. Ensure the device is fully inserted. Lower the volume.
Device not charging	Charging case battery is low. Poor contact between amplifier and charging pins. Charging cable or adapter issue.	Charge the charging case. Ensure amplifiers are correctly seated in the case. Try a different USB cable or power adapter.

If the problem persists after trying these solutions, please contact customer support.

Specifications

Model Number	JH-A17
Brand	JingHao
Power Source	Rechargeable (Lithium-ion battery)
Battery Life	Up to 14 hours per full charge
Charging Time	Approx. 2 hours for full charge
Dimensions (Package)	12.5 x 10.3 x 5.4 cm
Weight (Package)	160 grams
Color	Beige
Material	Plastic
Special Features	Volume control, Rechargeable, Digital Processor
Origin	China

Warranty and Support

For warranty information and customer support, please refer to the documentation included with your purchase or contact the seller directly through the platform where the product was purchased.

Manufacturer: JINGHAO

Seller: JINGHAO Healthcare

For further assistance, please visit the JingHao Brand Store on Amazon.

JingHao JH-A17