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A hearing disorder or hearing deficiency is a total or minor reduction in the ability to perceive or recognise sounds. Hearing loss can happen to any organism that interprets sound because of a broad range of biological and environmental conditions.This Sound Amplifier allows people with hearing impairment issues to hear sound and voice like normal people.Unisound has been involved in academic research relating to voice recognition technologies and acoustic modeling powered by deep neural networks. Unisound UN 125 focuses on what is really important. Fun's microphone picks up and amplifies the sound so you can fully concentrate on your talks, chats and conversations, not on hearing. At your fingertips, all choices in this hearing aid are Perfectly placed and simple to use, the volume switch helps you to quickly and easily customize your hearing aids for ultimate comfort. The transparent ear hook is suitable for wearers with serious hearing loss and offers a high degree of amplification. The combination of the tube, whose length can be shortened to suit you accurately, and a variety of super-soft, comfortable tips in various sizes that make it very easy to wear and an effective tool for you. The aerodynamic design of their housing offers a very secure fit behind your ears. Machine Features: Max sound output: 130/5dB, Sound gain- Upto 50 dB, Total harmonic wave distortion- Upto 5%, Frequency range- 300-4000Hz, Input noise- Upto 30 dB, Voltage- d.c 1.5 V, Current- Upto 4mA. Hearing Aid Material:- Hearing aid-ABS, Ear Cap-Silicone, Weights: Less Than 10g, easy to carry.