Conventional hearing devices amplify everything—from conversations to background noise to the clock ticking.
Conventional hearing devices amplify everything—from conversations to background noise to the clock ticking.
一般的助听器会放大所有的声音—言语声、背景噪声和钟声等。
Conventional hearing devices amplify everything—from conversations to background noise to the clock ticking.
一般的助听器会放大所有的声音—言语声、背景噪声和钟声等。