Hearing aid with noise-cancellation function designed for insertion into the ear

A noise-cancelling in-ear hearing aid, comprising a hearing aid body, a heat dissipation component, a fall prevention component, and an in-ear component, wherein the hearing aid body comprises a protective shell, a filter, a main controller, and an output component, wherein the protective shell defines a placement cavity in which the filter, the main controller, and the output component are arranged;

• the main controller is connected to the filter and the output component;
• the fall prevention component is arranged on the protective shell;
• the in-ear component is positioned on one side of the protective shell that is adapted to position close to a user’s ear, and the heat dissipation component is positioned on an opposite side of the protective shell that is away from the ear;
• the in-ear component comprises an ear canal tube, a noise-cancelling rubber sleeve, a first assembly block, a second assembly block, and an in-ear rubber sleeve, wherein the ear canal tube is connected, at one end thereof, to the protective shell at the first assembly block, the noise-cancelling rubber sleeve being mounted on the first assembly block, the second assembly block being mounted to an opposite end of the ear canal tube, the in-ear rubber sleeve matching with the second assembly block;
• and the output component has an output end matching with the ear canal tube.