This software is a program that allows you to use a hearing test and various functions using a 64-channel hearing aid and voice amplifier product using CSR8675. Programs that can use hearing tests and various functions using 64 channel hearing aid and PSA products using CSR8675 chip. This software uses Bluetooth technology to allow you to use various functions of the product through your smartphone. It supports various functions such as hearing test, mode setting, and volume setting. This app