Scope of application

For people with air conduction hearing loss

Product performance

Product performance

1. Appearance and structure

1.1 All parts should be fully assembled and fixed reliably

1.2 The text, symbols or marks should be clear, correct and firm

1.3 The surface should be free of defects such as burrs, flashes, dents, scratches, etc.

1.4 The connection of each component should be reliable and effective

1.5 The operation of various adjustment buttons, switches and other mechanisms should be flexible and effective

2. Electromagnetic compatibility