If you watch the news, you hear all the time about the Dow Jones Industrial Average and other aÂ­verages like the S&P 500 or The Russel 2000. These are market averages designed to tell you how companies traded on the stock market are doing in general. The Dow Jones Industrial Average is simply the average value of 30 large, industrial stocks. Big companies like General Motors, Goodyear, IBM and Exxon are the kinds of companies that make up this index. See Dow Jones & Company for details on how the average is calculated.
some psaps also bear a resemblance to bluetooth devices or earphones used with mp3 players depending on the make and model but that s where the similarities end unlike psaps hearing aids are fda approved medical devices which are prescribed and fit by licensed hearing healthcare professionals
Extended wear hearing aids are hearing devices that are non-surgically placed in the ear canal by a hearing professional. The extended wear hearing aid represents the first invisible hearing device. These devices are worn for 1â3 months at a time without removal.