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Hi, There you can download APK file "Petralex" for karbonn K9 Smart Selfie free, apk file version is 4.3.6 to download to your karbonn K9 Smart Selfie just click this button. It's easy and warranty. We provide only original apk files. If any of materials on this site violates your rights, report us

Description of HEARING AID APP:PETRALEX 4 EAR
Screenshots of HEARING AID APP:PETRALEX 4 EAR
  • HEARING AID APP:PETRALEX 4 EAR
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  • HEARING AID APP:PETRALEX 4 EAR
  • HEARING AID APP:PETRALEX 4 EAR
  • HEARING AID APP:PETRALEX 4 EAR
  • HEARING AID APP:PETRALEX 4 EAR
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  • HEARING AID APP:PETRALEX 4 EAR
  • HEARING AID APP:PETRALEX 4 EAR
  • HEARING AID APP:PETRALEX 4 EAR
  • HEARING AID APP:PETRALEX 4 EAR
  • HEARING AID APP:PETRALEX 4 EAR
  • HEARING AID APP:PETRALEX 4 EAR
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  • HEARING AID APP:PETRALEX 4 EAR
  • HEARING AID APP:PETRALEX 4 EAR
  • HEARING AID APP:PETRALEX 4 EAR
  • HEARING AID APP:PETRALEX 4 EAR
Description of HEARING AID APP:PETRALEX 4 EAR (from google play)

Hear without limits!
This hearing aid app restores your sound perception to natural levels.
Now you will hear even the whispers with hearing amplifier.

Petralex Hearing Aid will automatically adjust to specific features of your hearing.
Use the power of your smartphone and latest technologies as a maximum sound amplifier.
No registration and no advertisements.
You only need a regular headset in order to use this hearing app.

Hundreds of thousands of hearing impaired people have chosen Petralex to solve their hearing problems.
This app was chosen as Microsoft Inspire P2P contest winner in 2017.

FEATURES (FREE):
-- Automatic adjustment to hearing specifics;
-- Hearing correction for each ear;
-- Adaptation to different types of environment;
-- Amplify up to 30 dB with a wired headset;
-- Built-in hearing test;
-- Dynamic compression. Amplify quiet sounds without losing the overall volume;
-- Using 4 options of sound amplifier;
-- Using the built-in 4-week adaptive course for getting used to the hearing aid app;
-- You can use your smartphone as a remote mic;
-- Support of Bluetooth headsets*.

PREMIUM SUBSCRIPTION OFFERS ADVANCED POSSIBILITIES (TRIAL):
-- “Super Boost” - powerful sound amplifier;
-- Players with sound amplifier;
-- Ability to create an unlimited number of profiles for different sound situations;
-- Regulated noise suppression – eliminates background noise, increases speech intelligibility;
-- Modern Dectone amplification method, that amplify sound even better. Advanced hearing test;
-- Profile editing – fine adjustment of hearing aid app;
-- Amplification formula for quiet sounds in case of tinnitus;
-- Additional applications with sound amplifier;
-- Audio recorder/Dictaphone - amplify sound to your hearing.

Choose from one of the following subscription options:
-- weekly
-- monthly
-- annual

IT TAKES TIME TO GET USED TO ANY HEARING AID! BE READY FOR:
-- Adaptation to any hearing aid takes from several weeks to several months;
-- You will hear sounds and noises that you have not heard before. Use the built-in noise reduction function;
-- Some familiar sounds can acquire with metallic aftersound, which can cause temporary discomfort;

USE THE BUILT-IN 4-WEEK ADAPTIVE COURSE FOR GETTING USED TO THE HEARING AID APP.

*Using Bluetooth
NOTE! Using Bluetooth headset brings additional delay to sound transmission.
Possible echoing can appear.

Disclaimer:
The Petralex Hearing Aid® is not approved as a medical device or software and cannot be used as a hearing aid with doctor's (ENT) prescription.
Hearing test provided in the application can be used only for hearing app adjustment. Hearing test results are not a substitute for professional audiology tests (ENT consultation required).
The Service offers a free 7-day trial so that you can find out more about its capabilities and make sure it suits your needs. It is presupposed that this period of time is enough to decide whether you want to continue or stop using the Service. For this reason, the Service does not process the refund requests for the purchase effected after the free 7-day trial.

Have questions, feedback or suggestions? Reach out to us at support@petralex.pro

Read more about our terms and conditions here:
-- Terms of service: https://petralex.pro/page/terms
-- Privacy policy: https://petralex.pro/page/policy

Live your life to the fullest: boost your hearing with this app headphone amplification
Help & test hearing: live listen and super hearing

Version history HEARING AID APP:PETRALEX 4 EAR
New in Petralex 4.3.6
Improved the app stability and fixed crashes
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you
New in Petralex 4.3.3
Improved the app stability and fixed crashes
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you
New in Petralex 4.3.1
Improved the app stability and fixed crashes
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you
New in Petralex 4.2.3
Improved the app stability and fixed crashes
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you
New in Petralex 4.2.2
Improved hearing testing without a headset
Improved the app stability and fixed crashes
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you
New in Petralex 4.1.8
Improved hearing testing without a headset
Improved the app stability and fixed crashes
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you
New in Petralex 4.1.6
Improved hearing testing without a headset
Improved the app stability and fixed crashes
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you
New in Petralex 4.1.5
Improved hearing testing without a headset
Improved the app stability and fixed crashes
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you
New in Petralex 4.1.4
In the 4.1.4 ​we improved the app stability and fixed crashes
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you
New in Petralex 4.1.0
In the 4.1.0 ​we improved the app stability and fixed crashes
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you
New in Petralex 4.0.1
In the 4.0.1 ​we improved the app stability and fixed crashes
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you
New in Petralex 3.9.8
Improved the app stability and fixed crashes.
New features added:
-- Sound frequency compression
-- Intelligent adaptation to noise
-- Masking tinnitus
Thank you for using the Petralex Hearing Aid App! For any questions or feedback, please contact our friendly Petralex Team by emailing info@petralex.pro
New in Petralex 3.7.5
In the 3.7.5 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.
New in Petralex 3.7.3
In the 3.7.3 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.
New in Petralex 3.7.2
In the 3.7.2 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.
New in Petralex 3.5.5
Improved performance of amplification algorithms.
In the 3.5.5 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.
New in Petralex 3.5.4
Improved performance of amplification algorithms.
In the 3.5.4 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.
New in Petralex 3.5.3
Improved performance of amplification algorithms.
In the 3.5.3 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.
New in Petralex 3.5.1
In the 3.5.1 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.
New in Petralex 3.4.25
In the 3.4.25 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.
New in Petralex 3.4.18
In the 3.4.18 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.
New in Petralex 3.4.16
In the 3.4.16 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.
New in Petralex 3.4.10
In the 3.4.10 we improved the app stability and fixed crashes.
User Authentication Added.
Application localization added.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.
New in Petralex 3.4.4
In the 3.4.4 we improved the app stability and fixed crashes.
Added advanced hearing testing mode. Switching hearing test modes in the settings.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.
New in Petralex 3.3.7
In the 3.3.7 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.
New in Petralex 3.3.4
New feature with even more boost - “Super Boost“.
Additional applications with sound booster and adaptation to your hearing (Music player, Video player).
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.
New in Petralex 3.3.3
In the 3.3.3 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.
New in Petralex 3.3.1
In the 3.3.1 we improved the app stability and fixed crashes.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.
New in Petralex 3.2.2
In the 3.2.2 we improved the app stability and fixed crashes.
Hearing test optimized.
Improved the audio system of the application.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.
New in Petralex 3.1.2
In the 3.1.2 we improved the app stability and fixed crashes.
Hearing test optimized.
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you.
New in Petralex 2.2.2
Language support extended
New in Petralex 2.2.0
Bugs in working with smartphone audio system repaired
Algorithm of audio signal improved
Module of acoustic feedback suppression updated
Language support extended
New in Petralex 2.1.8
Bugs in working with smartphone audio system repairedAlgorithm of audio signal improvedModule of acoustic feedback suppression updatedLanguage support extended
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