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Product Name：Hearing Aid
Model：HD01
Digital Processing：32 Channels
Listening Modes：4 Modes
Volume Levels：7 Levels
Maximum Output OSPL90：≤113dB ±3dB
OSPL90 HFA Average：103dB ±3dB
Maximum Sound Gain：30dB ±3dB
Frequency Range：300Hz–4500Hz
Operating Time：Approximately 35 Hours
Charging Time：2–3 Hours
Input：5V, Maximum 500mA
Working Temperature：0°C–40°C
Product Weight：36g / 0.079lb
Charging Method：USB Rechargeable
Microphone System：Dual Microphones
Wearing Style：In-Ear Earbuds with U-Shaped Neckband
Intended User：Adults with Perceived Mild to Moderate Hearing Loss
Return and Exchange Period：30 Days
Standard Warranty：1 year
Designed to deliver clearer conversations, flexible listening control and dependable performance throughout everyday activities.
Digital sound processing helps make conversations easier to follow while managing unwanted noise and acoustic feedback.
The digital processor is designed to enhance speech while reducing competing background noise, helping users follow conversations with less effort.
Dual microphones help capture voices and environmental sounds while supporting directional speech pickup and background-noise management.
Phase-cancellation processing helps reduce whistling and howling caused by amplified sound returning to the microphone.
Multiple listening programs and adjustable volume levels provide greater flexibility than a basic fixed-setting device.
Users can change the listening program according to their surroundings instead of relying on a single fixed setting.
The broad adjustment range allows gradual personalisation for different voices, rooms and listening needs.
Rechargeable operation reduces frequent battery replacement and supports convenient charging between uses.
Approximately 2–3 hours of charging provides around 35 hours of use, according to the listed product specifications.
Designed to reduce frequent charging during daily activities, family gatherings or business meetings.
The device uses a USB charging design with a listed input of 5V and a maximum current of 500mA, allowing convenient recharging with a compatible power source.
A lightweight U-shaped neckband helps keep the hearing aids connected and close at hand throughout the day.
The U-shaped neckband follows the natural shape of the neck and keeps the hearing aids attached when temporarily removed from the ears.
Clearer conversations, flexible sound adjustment and rechargeable convenience in one lightweight neckband system.
Follow the five-stage sound pathway from initial voice capture to processed sound delivery and feedback control.
The built-in microphones receive speech and surrounding environmental sounds.
The system is designed to prioritise voices in front of the user while reducing less useful ambient sound.
The digital chip divides and processes the incoming sound signal.
This processing helps reduce steady background noise and improve the clarity of important speech frequencies.
The device adjusts amplification according to the strength of the incoming sound signal.
Softer sounds can be amplified, while stronger sounds are controlled to help reduce excessive loudness and distortion.
After processing, the receiver converts the digital signal back into audible sound.
The processed sound is then delivered through the earbuds and into the ear canal for listening.
When amplified sound leaks back toward the microphones, the device uses phase-cancellation processing to help reduce whistling and feedback.
Correct ear-tip size and proper insertion remain important for controlling sound leakage and reducing feedback.
Suitable for everyday conversations in relatively quiet or moderately active settings, including:
Conversations at home
One-to-one communication
Family meals
Office environments
Shopping and routine activities
Designed to improve listening comfort where background noise may compete with speech, such as:
Restaurants
Social gatherings
Card games
Community events
Busy indoor spaces
Optimised for media and entertainment, including:
Watching television
Watching films
Listening to news programs
Following dialogue from a distance
Listening to recorded speech
Designed for changing outdoor sound environments, including:
Walking
Parks
Outdoor conversations
Shopping streets
Family outings
