西門子/全數(shù)字/耳背式/助聽(tīng)器蓮花23P/（中到重度）

功能特性
·全數(shù)字芯片技術(shù)                                   
·雙通道全數(shù)字信號(hào)處理                           
·內(nèi)置輸入壓縮系統(tǒng)                           
·三微調(diào)控制                              
·蜂鳴提示音               
·標(biāo)配電感/音頻輸入              
·加固防潮設(shè)計(jì)