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Rechargeable Hearing Aid

JH351

Contacting with USB line, no matter AC adapter, computer or car all can be charged.

1.Contacting with USB line, no matter AC adapter, computer or car all can be charged.

2.Corresponding uncomfortable threshold properly adjust the maximum output, protect ear

3.3 different shape earplugs are provided, which can fit different people's ear;

4.Clear sound quality with low noise microphone, balanced armature loudspeaker and high gain integrated amplifier.

5.Open fit hearing aid,the tube can be adjustable to different sizes ears with comfortable wear;

6.Push-button tuning, convenient and efficient;

7.Multi function keys, including FM, switch, power display, high-end atmosphere.

8.Low frequency and high frequency are changed by one switch to adjust different environment;

Max Sound Output

130 ± 5dB

Voltage

1.5V

Sound Gain

≥45dB

Battery size

Built-in lithium battery

Total Harmonic
Wave Distortion

500Hz <= 3%
800Hz <= 5%
1600Hz <= 1%

Battery capacity/Mah

Operation
Current

≤4mA/3.5

Operation current/mA

3.5

Frequency Range

300-6000Hz

Working time/H


Input Noise

≤30dB

Charging current

28 MA

Certification

FDA

Standby current

20uA

Package

Packing box Type

Packing box Size

Weight

Hearing Loss

slight、moderate

Machine size/cm

1.4*0.9*4.5

1.Charging time :It will take around 11 hours for a finished battery to be fully recharged. It's strongly suggest to charge for 12 hours for the first time charging.

2.During the charging period, the indication light in the adapter base is showing Red light

3.After charging completed, the indication light will turns to Green light.

4.Important to off the machine before you put on it to your ear.

5.To choose the right size of ear plugs will be more comfortable to the ear,and help a better sounds gain, and avoid any extra noise.

6.The switch should be turned to the off position when the apparatus is not in use. That will ensure longer battery life

1 Hearing Aid

3 Ear tips

1 USB Line

2 Ear tube

1 Strong box

1 Manual book

2 Cleaning tools


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