1. This hearing aid adopts sound collection technology, which can accurately capture human voice and realize powerful voice recognition and voice control functions.2. Sound set charging: This hearing aid is equipped with a charging function, and the matching charger can be used to charge the hearing aid, eliminating the trouble of replacing the battery.3. In-ear type: This hearing aid adopts an in-ear design, which can transmit sound to the ear cavity more accurately, providing a more natural and clearer feeling, and at the same time, it is more comfortable to wear.4. Hearing aid: This hearing aid can amplify the surrounding sound, provide better hearing effect for deaf people, and at the same time reduce noise interference and improve hearing quality.5. Versatility: As a smart hearing aid, it also has a variety of functions, such as digital power display, volume adjustment, echo control, etc., which are convenient for users to customize settings.