The âshellâ or âcaseâ is the outer covering of a hearing aid, and determines its style. Of the many parts of a hearing aid, style can make a big difference to your overall satisfaction. Beltone's two main style categories are Behind-the-Ear (BTE) and Custom hearing aids. IIC. Invisible-in-Canal.
The symptoms of chest congestion can be listed as under. 1  Coughing. 2  Shortness of breath. 3  Labored breathing.  Chest 1  pain. Dizziness.  Runny 1  nose. Wheezing. 2  Discomfort. Blood in  cough. Loud noises while breathing.
The following are the facts you need to know about allergies: 1  Some of the symptoms are similar to colds, such as sneezing, sore throat, coughing, runny nose, and congestion. 2  Sore throat in allergies is most often caused by postnasal drip.3  Allergies can also cause rashes and itchy eyes.elow are the key features of this common illness: 1  Colds may be passed through the air from coughing and sneezing, as well as through touch. 2  Most common symptoms include cough, sore throat, and a runny, stuffy nose.