Rechargeable Wired Voice Amplifier, SHIDU SD-S308 5 Watts Louderspeaker with 1050mAh Lithium Battery for Teachers / Coaches / Tour Guides / Presentations and More

+++ SHIDU Wired SD-S308 Voice Amplifier +++

Specifications:

1. Output power: 5W
2. Charging Voltage: DC 5V, 500mA
3. Lithium battery: 1100mA
4. Working time: 6~10 hours (musical mode);12~18hours (microphone mode)
5. Charging time: 3~5 hours
6. Product size: 4.33*3.46*1.50 / 110*88*38mm
7. Unit weight: 0.33lb / 150g
8. Sound coverage: 5382sq.ft / 500㎡
9. Wireless distance: 20-35m

Features
1. Unique creative UHF wireless sound amplication technology, transmission distance up to 35 meters;
2. Equipped with Bluetooth 4.0 cloud control network synchronization sound amplication;
3. Unique patented appearance, ergonomic design, comfortable feeling, fashion and light weight protable megaphone;
4. Using HI-FI dual maganetic trumpets, powerful high & low volume, nice midfrequency;
5. Imported micophone, intelligent IC circuit, the maximum inhibition of howling phenomenon;
6. Ultra strong MP3 audio decoding technology support TF card & U disk;
7. Wireless microphone intelligent power saving mode;
8. Built-in high performance Lithium battery (1100mA)ultra long standby time;
9. Dial wheel to adjust the volume.

Standard package:(Total-5pcs)

1 * main machine
1 * waistband
1 * wired microphone
1 * USB cable
1 * Instructions

Warranty:(1 Year) If the product break down under the normal work condition, you can ask for replacing and returning accordingly…Enjoy your purchase:)

Product Features

  • Rechargeable Wired Voice Amplifier, SHIDU SD-S308 5 Watts Louderspeaker with 1050mAh Lithium Battery for Teachers / Coaches / Tour Guides / Presentations and More
  • Excellent clarity, low feedback. Sound covers over 5,382 square feet (500 Square Meters).
  • Working time: 6~8 hours (musical mode); 12~15 hours (MIC mode); Charging time: 3~5 hours.
  • What You Get: 1 x main machine, 1 x waistband, 1 x wired microphone, 1 x USB cable, 1 x Instructions.(Total 5 pcs) Note: There is no wall charger included:)

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CDC® Mini In-ear Digital ITE Hearing Aid Sound Voice Amplifier With Batteries – Adjustable Volume and Modes With Free Carrying Case – Helps Elderly Deaf Ear Hearing Loss Hearing


PLEASE NOTE:

1、Users should know the functions and effects of hearing aids correctly, and inquire correct psychological preparation. Apart from those, if users possess necessary psychological adaptation process, they will be accustomed to using hearing aids.
2、Please carefully read the complete instruction for use before using.
3、Too large volume will impair the hearing on the contrary. It’s suggested to perform the self-training at quiet environment in first wearing. You may readjust the volume after using for one month.
4、The products are suitable for hearing loss patient whose aurioles and acoustic meatus work for the compensation of hearing loss. Not suitable for people with severe hearing loss. If there are ear infections, pus, does not recommend to use the hearing aid, it will be worse. If because of trauma or innate deafness, or deafness caused by illness, only digital hearing aids is suitable, analog machines generally do not apply.
5、For users wearing the hearing at the first time, in case of earnuts or speaking too loud themselves,etc. (the tightness of earplug and volume shall be adjusted), generally, they will get used to it gradually in three months.
6、In case of hearing the whistler, please select the earplug with appropriate size and plug it tightly. No air leakage is allowed.
7、Do not use this product in the explosive environment. Do not place it with the chemicals.
8、It shall be avoided to let the liquid to follow into this product. Do not use it at high-temperature, high-humidity and shaking environment.
9、If it’s found the volume is small after being used for a period, indicating low battery, the battery should be replaced in a timely manner.

Package included:

1 x New Adjustable Mini Digital Hearing Aid in Ear Sound Voice Amplifier
2 x Earplug of different size
2 x A312 batteries
1 x Cleaning brush

Product Features

  • Volume Adjustable. Super mini size and light weight, easy and comfortable to wear. Best sound amplifier behind the ear.
  • Silicone earplugs in 2 different sizes, fit most ears. With 2 cell batteries, and 1 cleaning brush. Help people with hearing impairment to hear sound and voice.
  • Max SSPL: 129dB; Full-on-gain (FOG): 30dB; The Scope of frequency (Hz): 100-3000 Hz; Equivalent input noise lexel: ≤25dB
  • Harmonic Distortion: ≤5.5%; Power Voltage: 1.4 V; The sum settles electric Current mAP: 1.6mAH; Battery Type: A312 PR41 (included); Original box: Yes; Product weight: 3g; Package weight: 68g; Color: Beige
  • Convenient for watching movie, enjoying the drama, attending meeting, or having class, it could help you hear the sound clearly and loudly

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Voice Amplifier Va-3000 Hearing Enhancer Volume Control Step 4 Tone Mono & Stereo Earphone Ear Piece Headset No Bleep

Slim Hearing Enhancer for all, Portable Sound Amplifier,

– Composition: Voice Amplifier ,charger cable, earing, ear rubber(small), stereo earphone, clip, charger

– Type: Stereo
– Earphone connector : Yes
– Middle : 400 ~ 5300 Hz

– Bass emphasis : Hz
– Medium : 200 ~ 5300 Hz
– Treble emphasis : Hz
– The Maximum use time : 24 hrs or more

– Charging time : 2 hours
– Size : 15 x 54 x 12 mm
– Weight : 7.4g
– Battery : lithium ion polymer, rechargeable 3.7 V/70mA

Up to 16 X Sound Amplification – 10 Volume Levels
Voice Band Control: 4 Frequency Amplifying Settings
1. Middle Sound Emphasis
2. Low Sound Emphasis
3. Normal
4. High Sound Emphasis

Built-in Rechargeable Battery Lasts For 24 Hours of Continuous Use on One Charge.
Circuit Board is Designed to Prevent Howling/Hiss and Block Loud No
Voice amp, Voice amplifier device, Hearing enhancement

Product Features

  • Up to 16X Sound Amplification – 10 Volume Levels, Stereo L/R RCA
  • Voice Band Control: 4 Frequency Amplifying Settings
  • Built-in Rechargeable Battery Lasts For 24 Hours of Continuous Use on One Charge.
  • Circuit Board is Designed to Prevent Howling/Hiss and Block Loud Noises
  • One-Year Warranty by Esonic Korea.

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Alead Nolan LiveMIC2 Bluetooth Wireless Microphone, Long range, Low latency, Clear sound with uni, omni, ext mic for education, webinar, conference, hearing impairment, PA systems, PC audio, voice recording

Alead Nolan LiveMIC2 Bluetooth wireless microphone, voice transmitter, new generation of LiveMIC, capture and stream the source of audio, voice wirelessly via headset, handfree, A2DP profiles.

It makes sound great for distance education, webinar, conference, panel session, PA systems, speech recognition, hearing impairment, VoIP, PC audio, voice recording*.

Dual modes supporting works with most of Bluetooth speakers, headphones, audio receivers, iPhone, iPad, Android, smartphone, tablet*, Mac, PC**.

With unidirectional, omnidirectional and external microphone selection allows to create superior sound at different environment, occasion and events.
With gain (sensitivity) control and instant mute gives the sound quality capabilities and flexibility as you needed.
The low latency minimizes echo and audio lag in real time environment***.

Distance upto 20M/66 feet covers most of meeting room, ball room, class room, office, and house.

The lightweight with clip is for wearing and using convenient. Integrated with a rechargeable battery provides up to 8 hours operation.

* The default voice or video recording apps of iPhone/iPad/Android DO NOT SUPPORT Bluetooth microphone. Users NEED TO use the voice recording apps with Bluetooth microphone supporting such as “Voice Recorder HD”, “audio memos”, “Easy Voice Recorder Pro”, “ReadyMIC”, “Captures” and more…
** PC or laptop MUST have Bluetooth capable or a Bluetooth USB adapter which supports Headset/Handfree profile to use Bluetooth microphone.
*** Some of Bluetooth speakers have audio lag to cause echo. Users can use LiveMICRX or LiveMICRX2 set to resolve audio delay issue.
****For more product information and supporting, please visit aleadinc or nolan-sys website.

Product Features

  • Alead LiveMIC2 Bluetooth wireless microphone, new generation of LiveMIC, capture and stream the source of audio/voice wirelessly via headset, handfree, A2DP profiles.
  • Ideal for distance education, webinar, conference, presentation, panel session, PA systems, speech recognition, hearing impairment, PC audio, voice recording* and more. Works with most of Bluetooth speakers, audio receivers, iPhone, iPad, Android, smartphones, Tablet*, Mac, PC**.
  • With unidirectional, omnidirectional and external microphone selection, gain (sensitivity) control and instant mute features allow capturing best sound for various sound sources at different environment, occasion and events.
  • The low latency minimizes audio lag and echo effect in real time environment***. Long range distance operation up to 20m (66 ft) covers most of meeting room, ball room, class room, office, house depending on conditions. Integrated with a rechargeable battery provides up to 8 hours operation.
  • * The default voice or video recording apps of iPhone/iPad/Android DO NOT SUPPORT Bluetooth microphone. Users NEED TO use the voice recording apps with Bluetooth microphone supporting such as “Voice Recorder HD”, “audio memos “, “Easy Voice Recorder Pro”, “ReadyMIC”, “Captures” and more…

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Alead Nolan HearLinks Wireless Voice Audio Links, a Bluetooth earphone, music streaming, personal sound amplifier and T-coil receiver 4 in 1. With volume, L/R balance adjustment to hear better

Alead Nolan HearLinks Wireless Voice Audio Links, a Bluetooth earphone, music streaming, personal sound amplifier and T-coil receiver 4 in 1. With volume, L/R balance adjustment to create a clarity and amplification sound to hear better voice and sound. Ideal for the hearing impairment at difficult hearing environment

As a personal voice amplifier with embedded microphone and volume, L/R balance adjustment to create a superior and amplification of sound at difficult listening situations such as conversation, meetings, dinner, family gathering, watching TV, movies..etc.
Connect to Bluetooth mobile phone to answer incoming call easily. Support multiple links to connect Bluetooth phone and music streamer at a time with A2DP, AVRCP and HST, HF profile supporting.
Using built-in T-coil receiver to listen crystal clear movie, music, or speaker audio in public venues fitted with loop systems such as concert halls, theaters, and churches (marked with a T symbol as shown)
Bluetooth audio streaming receiver to connect to your Bluetooth audio/voice transmitter to listen and enjoy music/audio over distance.
Binaural design with comfortable stereo earphone offer higher volume and excellent sound quality and isolation from ambient noise.
L/R Balance control set the balance between the left and right ear to compensate for a more volume in one ear.
Volume control to adjust own preferred volume. The instant mute to stop unwanted voice sent to receiver.
The lightweight, unobtrusive and easy-to-wear with clip or lanyard offer enhanced mobility to put in pocket, clip on collar, loop around on neck or place on table for conveniently using
Operate on either USB power supply directly or internal rechargeable battery to give users plenty of time and choice to use conveniently.

Package includes: HearLinks, stereo earphone, lanyard, USB charging cable and QSG

Product Features

  • As a personal voice amplifier with embedded microphone and volume, L/R balance adjustment to create a superior and amplification of sound at difficult listening situations such as conversation, meetings, dinner, family gathering, watching TV, movies..etc. with T-coil receiver feature to listen crystal clear movie, music, or speaker audio in public venues fitted with loop systems such as concert halls, theaters, and churches (marked with a T symbol as shown).
  • Connect to Bluetooth mobile phone to answer incoming call easily. Support multiple links to connect Bluetooth phone and music streamer at a time with A2DP, AVRCP and HST, HF profile supporting. As a Bluetooth audio streaming receiver to connect to your Bluetooth audio/voice transmitter such as Alead LiveMIC, BTMIC, TRX_HD, TX to listen and enjoy music/audio over distance.
  • Binaural design with comfortable stereo earphone offer higher volume and excellent sound quality and isolation from ambient noise. L/R Balance control set the balance between the left and right ear to compensate for a more volume in one ear. Volume control to adjust own preferred volume. The instant mute to stop unwanted voice sent to receiver.
  • Have better sound for one-to-one conversations, watching TV, movies, listening to music, family gatherings, dinner, class room, meetings, seminars, restaurant, theater, concert hall, church, doctor, pharmacy, in the car.
  • The lightweight, unobtrusive and easy-to-wear with clip or lanyard offer enhanced mobility to put in pocket, clip on collar, loop around on neck or place on table for conveniently using. Operate on either USB power supply directly or internal rechargeable battery to give users plenty of time and choice to use conveniently.

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BONAZZA Rechargeable Deaf Aids with Background Noise Reduction Control – Personal Voice Amplifier Best for Mild to Moderately Severe Hearing Loss Impaired. Nice Style and Comfortable Earpiece

Need a little boost in loudness? Why pay HUNDREDS of DOLLARS when you can get this…

Now introducing BONAZZA MMSP hearing aid, an assistive listening device that can help you hear more in both quiet and noisy situations.

Usual Complaints About Hearing Amplifiers:

• Trouble understanding people because of excessive background noise.

• Junk deaf aid that works a few days but suddenly stop amplifying sound.

• Uncomfortable earpiece. Would not stay in your ear.

• Useless since the sound quality is too tinny.

• While amplifying low frequency, it reduces clarity. And many more…

TOP Benefits of BONAZZA Hearing Magnifiers:

• You can ADJUST the background noise by using the noise reduction control switch.

• Built-in 160 mA polymer RECHARGEABLE battery, provide up to 40 hours of hearing.

• 3 different sizes ear tips that will comfortably fit every ear canal.

• Leather case for convenient carrying. Top-notch quality at an outstanding affordable price.

• Our personal voice amplifier can be used by people of all ages for mild to moderately severe hearing loss.

• Essential for mental and physical health for hard-of-hearing people to stay connected, and participate more fully in daily activities.

WARNINGS!

• Hearing aids take time and patience to use successfully. Wearing your aids regularly will help you adjust to them.

• Learn to adjust the aid’s volume and to program it for sounds that are too loud or too soft. Work with your audiologist until you are comfortable and satisfied.

• If your inner ear is too damaged, even large vibrations will not be converted into neural signals. In this situation, any hearing aid would be ineffective.

BETTER HEARING, BETTER LIFE – Click the
“Add to Cart” button now and get your BONAZZA hearing aid.

Product Features

  • BONAZZA MMSP personal voice amplifier is a robust hearing aid system that is very convenient, simple and easy to use. The user can adjust background noise by switching the noise reduction control.
  • This deaf magnifier can be used by people of all ages for mild to moderately severe hearing loss. 127 db maximum output (db).
  • Ever run out of batteries unexpectedly using other hearing magnifiers? Annoying, isn’t it? Why not simplify things and say goodbye to weekly battery changes with the BONAZZA rechargeable hearing aids.
  • Makes some sounds louder so that a person with hearing loss can listen, communicate, and participate more fully in daily activities.
  • WHAT’S IN THE BOX – 1 hearing aid, 1 battery charger, 1 beautiful leather case to conveniently store your assistive listening device, 1 user guide and 3 different sizes of earmolds that suit every ear canal.

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Hard of Hearing Telephone Dallas 100VM Voice Sensory Loss Modulation Phone

Offers 30dB extra amplification (compared to 8dB on standard phones) and is hearing aid compatible. One of the key benefits of this phone is the visual voice modulation; an interesting visible display that tells the user how loud they are speaking to the caller.

• Big button keypad with extra clear colour contrast
• 3 direct memories
• 10 indirect memories
• Last number redial
• Flash / Pause
• Mute
• Pulse/Tone dialling modes
• Time break recall (100ms / 300ms)
• Adjustable ringing volume (off, medium, high)
• Adjustable ringing tone
• Extra bright visual ringer indicator
• Wall mountable
• Dimensions: 18 x 8 x 22.5 cm
• Manufacturers warranty

Product Features

  • A big button phone for those users needing a bit more volume.
  • Adjustable receiving volume control (up to 30dB)
  • Adjustable receiving tone control (+/- 10dB)
  • Voice Modulation indicator (indicates the outgoing speech level)
  • Hearing Aid Compatible

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BestOfferBuy Behind Ear Adjustable Tone Hearing Aid Sound Voice Amplifier F-138

  • Model: F-138
  • Suitable for those who have difficulty hearing
  • Adjustable volume
  • Frequency response Range: 300-4000Hz
  • Max sound output: 129 +/
  • 4dB
  • Sound gain: >=38dB
  • Total harmonic wave distortion: <=15% for f<1000Hz or 1000Hz
  • Input noise: <=30dB
  • Makes anything easily and clearly heard
  • Silicone earpiece cover for added comfort
  • Powered by: 1x LR44 battery (included)
  • Dimensions: 5 x 1.5 x 0.7cm/ 1.9 x 0.6 x 0.3in
  • Package Dimension: 10 x 7.7 x 3.0cm/ 3.9 x 3.1 x 1.2in
  • Net weight of hearing aid: 10gpackage includes: 1x Hearing aid
  • 2x ear plugs
  • 2x LR44 batteries
  • 1x User manual
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    Pixnor® Fashionable Bluetooth Style Powerful Hearing Aid Sound Voice Amplifier

    Specification:
    Max sound output: 129±4 dB
    Max Sound Gain:: 55dB ± 5dBH
    armonic Wave Distortion: ≤5%
    Input Noise: ≤30 dB
    Frequency Range: 250~3800 hz
    Voltage: 1.5V
    Current: ≤4 mA
    Battery:AG13 or A675 Zinc Air Battery (Not included)

    Package content:
    1 x Hearing Aid
    3 x Earplugs (Different Size)
    1 x Carrying Bag
    1 x User Manual

    Product Features

    • Max sound output: 129±4 dB
    • Max Sound Gain:: 55dB ± 5dBH
    • Armonic Wave Distortion: ≤5%
    • Input Noise: ≤30 dB
    • Battery:AG13 or A675 Zinc Air Battery (Not included)

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    CDC® 2x Mini Digital Adjustable Hearing Aid in Ear Sound Voice Amplifier With A312 batteries – Hearing Devices To Help Your Ears – BTE Sound Amplifier – For Old people

    Professional Hearing Aid:

    Features:
    – Best sound amplifier behind the ear.
    – Super mini size and light weight, easy and comfortable to wear.
    – Volume Adjustable.
    – Silicone earplugs in 2 different sizes, fit most ears.
    – Help people with hearing impairment to hear sound and voice.

    Specifications:
    – Max SSPL: 129dB
    – Full-on-gain(FOG): 30dB
    – The Scope of frequency(Hz):100-3000 Hz
    – Equivalent input noise lexel:≤25dB
    – Harmonic Distortion:≤5.5%
    – Power Voltage :1.4 V
    – The sum settles electric CurrentmA: 1.6mA
    – Battery Type: A312 PR41(included)
    – Original box: Yes
    – Product weight: 3g
    – Package weight: 68g
    – Color: Beige

    Package included:
    2 x New Adjustable Mini Digital Hearing Aid in Ear Sound Voice Amplifier
    4 x Earplug of different size
    4 x A312 batteries
    2 x cleaning brush

    PLEASE NOTE:

    1、Too large volume will impair the hearing on the contrary. It’s suggested to perform the self-training at quiet environment in first wearing. You may readjust the volume after using for one month.
    2、The products are suitable for hearing loss patient whose aurioles and acoustic meatus work for the compensation of hearing loss. Not suitable for people with severe hearing loss. If there are ear infections, pus, does not recommend to use the hearing aid, it will be worse. If because of trauma or innate deafness, or deafness caused by illness, only digital hearing aids is suitable, analog machines generally do not apply.
    3、In case of hearing the whistler, please select the earplug with appropriate size and plug it tightly. No air leakage is allowed.

    Product Features

    • For users who want hearing amplification while in the field
    • From the leader in hearing protection and sound amplification;Accurate and easy to use.
    • Lightweight and can be used in either ear;Suitable for air conductive hearing loss patient.
    • Help you hear the sound clearly and loudly, whether indoors or outdoors.
    • Can be used for air amplifier;The volume can be controlled.

    Click Here For More Information

    Nolan LiveMICRX Bluetooth Wireless Remote Microphone and Voice Receiver Set, Long Range, Low Latency, Clarity Sound. With Cardioid, Omnidirectional and external microphone, built in gain control, mute and sound monitoring. Good for Podcasting, Presentation, Panel session, Distance education, Speech, Conference, Remote hearing aids, Voice and Video recording, Camcorder, YouTube, VoIP and compatibility with iPads, iPhones, Galaxy.

    Nolan LiveMICRX Bluetooth Wireless Remote Microphone and Receiver set is a total solution of wireless voice with long range, low latency, clarity sound, lip sync, multiple microphone inputs choice and rich control features. It makes sound great and professional for the real time podcasting, presentation, panel session, distance education, conference, voice and video recording, camcorder, YouTube, VoIP, remote hearing aids. The microphone and receiver units allow capturing and delivering the remote source of audio or voice wirelessly in real time. The microphone is with unidirectional, omnidirectional and external microphone pattern selection allowing great choice to create superior sound at different environment, occasion and events. Rich features of microphone such as instant mute to stop unwanted voice sent to receiver, gain (sensitivity) control to control sound output and quality, real time sound monitoring with volume to monitor microphone output directly are given the sound quality capabilities and flexibility as you needed Users can listen or record the remote voice of subject with clarity sound and remote distance upto 20M/66 feet to cover most of meeting room, ball room, class room, office, house and outdoors. The low latency, 0.02s (10x less than other Bluetooth solutions), enable microphone in synchronized with speakers or receivers to minimize lip-sync, audio lag and echo issue. Universal 3.5mm, 4-pole rings, audio jack with additional audio output on receiver offer the highly compatibility with iPads, iPhones, Galaxy, tablet, smartphones and most of audio and voice speakers, PA system and recording devices. It is ideal for real time speech, presentation, podcasting, conference, distance education, remote hearing aids, video and voice recording, VoIP, YouTube…etc. Package includes: Bluetooth microphone, Bluetooth receiver, stereo earbuds, 3.5mm audio cable, audio splitter cable, USB charging cable and QSG

    Product Features

    • Completed total solution of Bluetooth wireless audio, voice solution with both wireless professional microphone and receiver units to enjoy the capturing the remote source of voice wirelessly and delivering spoken word with clear sound quality in real time.
    • With unidirectional, omnidirectional and external microphone pattern selection allow great choice to create superior sound and capture best sound quality at various sound sources at different environment, occasion and events. Instant mutee to stop unwanted voice sent to receiver, gain (sensitivity) control to control sound output and quality, real time sound monitoring with volume to monitor microphone output directly are given the sound quality capabilities and flexibility as you needed
    • The low latency, 0.02s (10x less than other Bluetooth solutions) to enable microphone in synchronized with speakers or receivers to minimize lip-sync, audio lag and echo issue. Good for real time podcasting, presentation, speech , video recording and remote hearing aids
    • With universal 3.5mm, 4-pole rings, audio jack with additional audio output on receiver offers the extra compatibility with iPads, iPhones, Samsung Galaxy Notes, tablet, smartphones, Window Phone and most of audio and voice speakers, PA systems and recording devices. It is ideal for real time speech, presentation, podcasting, conference, distance education, remote hearing aids, video and voice recording, VoIP, YouTube…etc.
    • Long range distance operation up to 20m(66 ft) is good for class room, ball room, meeting room, office, home, outdoor and remote listen systems. Integrated with a rechargeable battery to provide up to 6 hours of talk time operation. Light weight and easy-to-wear with stylish design and built in clip. LED indicator for the operation status indicating

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    Nestling® Adjustable Mini Digital Hearing Aid in Ear Sound Voice Amplifier With Batteries

    Professional Hearing Aid:

    Features:

    – Best sound amplifier behind the ear.

    – Super mini size and light weight, easy and comfortable to wear.

    – Volume Adjustable.

    – Silicone earplugs in 2 different sizes, fit most ears.

    – With 2 cell batteries, and 1 cleaning brush.

    – Help people with hearing impairment to hear sound and voice.

    Specifications:

    – Max SSPL: 129dB

    – Full-on-gain(FOG): 30dB

    – The Scope of frequency(Hz):100-3000 Hz

    – Equivalent input noise lexel:≤25dB

    – Harmonic Distortion:≤5.5%

    – Power Voltage :1.4 V

    – The sum settles electric CurrentmA: 1.6mA

    – Battery Type: A312 PR41(included)

    – Original box: Yes

    – Product weight: 3g

    – Package weight: 68g

    – Color: Beige

    Package included:

    1 x New Adjustable Mini Digital Hearing Aid in Ear Sound Voice Amplifier

    2 x Earplug of different size

    2 x A312 batteries

    1 x cleaning brush

    Product Features

    • Accurate and easy to use.
    • Suitable for air conductive hearing loss patient.
    • Can be used for air amplifier.
    • help you hear the sound clearly and loudly, whether indoors or outdoors.
    • The volume can be controlled.

    Click Here For More Information