Doosl Personal Sound Amplifiers for Seniors with Noise Reduction, Mini Invisible Aid Digital Personal Sound Amplifier Voice Enhancer Devices with Portable Charging Case for Ears,White,1 Pair

Double Noise Reduction Function：The newly upgraded smart chip, the noise reduction is 30% higher than usual. It sounds more natural and provides you with a wonderful experience. Excellent sound quality and comfortable listening. Suitable for mild, moderate    and hearing loss. people with poor hearing, the angle of the earplugs can be adjusted, suitable for left and right ears.

Safe and Comfortable Personal Sound Amplifiers：Personal Sound Amplifiers for Ears are made of the latest materials, the shell is nano-coated, waterproof and sweat-proof; material domes of different sizes are suitable for everyone, and equipped with cleaning    tools to extend the service life; very small, very suitable for your ear canal.

Adjustable mode：Personal Sound Amplifiers for Ears When you are in different environments, you can switch between "H"mode quiet and ”L“mode noisy programs, which can ensure you have a clear sound in most environments.

Visual Battery Indictor: The charge box has a visual battery indicator with a more user-friendly design. The earphone case can be fully charged in 1.5-2 hours and supports 4 charging cycles. Fully Sound Device support 24+ hours of hearing enhancement    and 24+ hours of music streaming.

After-sales Service：If you encounter problems when using our ear Personal Sound Amplifiers for Ears, please feel free to contact us, we are happy to serve you.

Note:

How to solve the whistling?

Adjust the volume to normal.The volume of the hearing device is turned on to the maximum because of the product test, it needs to be turned down at the beginning use.

Selecting an appropriately-sized earplug to keep the ear canal sealed , can effectively prevent the whistling.

2.How to relieve feeling dizzy when wearing the hearing device?

The initial wearing of Personal Sound Amplifiers has a process of adaptation. Now wearing in a quiet environment, the wearing time needs to adapt slowly, please refer to MANUAL.

3.Why would hear the noise?

The noise is whistling, which is a positive feedback whistling sound generated by the sound from the hearing aid horn after being leaked and picked up by the microphone. The solution is to cut off the feedback path, reduce the sound leakage, choose an    appropriately-sized earplug and wear it seal.

4.Why no sounds can be heard from the hearing device?

Check whether the volume is adjusted to suit your hearing situation.

Check whether the hearing device has power.

Features:  

Function:Personal Sound Amplifiers, sound amplification,Personal Sound Amplifiers for Ears

Material:ABS+metal

Max sound out put:129+/- 3dB  

Sound gain:>= 40dB+/- 5dB 

Total harmonic wave distortion:<= 10%  

Frequency range:350-4500MHz  

Input Noise:<=32dB 

Voltage:d.c.1.2V  

Current:<=2mA

Full charing about 2 hours

OK to Personal Sound Amplifiers recharing about 4 times

Personal Sound Amplifiers:

Include 45mAH

 Full charing 4~5 hours

Working time 50 hours /pc

Total working time 400 hours / 2pcs

Package Include:

Personal Sound Amplifiers for Earsx2

Earplugsx6

Brushx1

User Maual x1

USB Charging cablex1