The hearing aid is an electronic device which carry in the acoustical channel or behind an ear, helping to strengthen sound waves
Acoustical devices, thanks to achievements of a modern science, have turned to tiny computers. The hearing aid not only strengthens a sound, but also corrects it according to sound conditions, providing the user additional comfort. Modern models of hearing aids have the small sizes, therefore they are almost imperceptible. The person can use the hearing aid, without worrying that someone will notice it. The tiny assistant is absolutely irreplaceable for the people having problems with hearing. Hearing aids allow to communicate easy with native, friends and colleagues. People hard of hearing can enjoy nature and world around sounds, without feeling thus any discomfort.