Cadenza ME-200P rechargeable assistive listening devices for hearing impaired, its mode selection is designed in two listening environments. It can easily adjust the volume, power switch and mode selection according to the needs of 4 different buttons. It is very suitable for middle-aged and elderly people. Allowing you to listen freely in noisy environments. According to the survey, some people prefer deep and full sound quality. Some people prefer crisp and loud sound quality. Two different sound qualities have been established in the ME-200P mode, which fully meets the needs of different people for sound quality.