### Question
How is the "over-the-counter hearing aid" defined?


### Answer
The term **over-the-counter hearing aid** is defined in *21 U.S.C. § 360j* as follows -

> a device that—


(i) uses the same fundamental scientific technology as air conduction hearing aids (as defined in section 874.3300 of title 21, Code of Federal Regulations) (or any successor regulation) or wireless air conduction hearing aids (as defined in section 874.3305 of title 21, Code of Federal Regulations) (or any successor regulation)

#### Citation:
  - *21 U.S.C. § 360j*
  - Heading: **CHAPTER 9-FEDERAL FOOD, DRUG, AND COSMETIC ACT > SUBCHAPTER V-DRUGS AND DEVICES > Part A-Drugs and Devices**

