This Hair is bright to disclose the toothbrush (100) that Yi Seed include a Sound sounds part (140), (140) The Group Agencies make As mono- Expansion sound devices as Time with first modes Cao to Sound sounds part wherein, No. is believed in order to receive a sound News, and make mould formula Time in the second behaviour and make mono- Yang Sound devices of As, go out toothbrush (100) this Body (148) in order to Will sounds News letters No. Pass. The bright exposure Ling mono- Seed toothbrushes (100) of this Hair, it includes to energize at least one can Move elements (227) Yi Ma Da (271) Yi Ji With Ma Da (271) phase United a Office reason device (392), its holds a Change Number Yong Yi Prison Kong And Victoria, such as Ma Da speed or applies Electricity Pressure. The bright exposure Geng mono- Seed toothbrushes (100) of this Hair, it includes a letter No. Cao make Mo Shi Button (Fig. 13A-13C) can Enough change more Ge on Change toothbrushes (100) can Move elements (227) operation mode, and change Change The by a Lose of toothbrush (100) goes out (148) and sound News that Pass is sent believes No..本發明揭露一種包含一聲音零件(140)的牙刷(100),其中之聲音零件(140)經組構以在第一模式操作時作為一擴音器,俾以接收一音訊信號,而在第二操作模式時作為一揚聲器,俾以將音訊信號傳出牙刷(100)本體(148)。本發明揭露另一種牙刷(100),其包含用以供能到至少一可動元件(227)的一馬達(271),以及與馬達(271)相聯的一處理器(392),其用以監控並維持一變數,例如馬達速度或施加電壓。本發明揭露更一種牙刷(100),其包含的一信號操作模式鈕(圖13A-13C)能夠改變牙刷(100)上的多個可動元件(227)之操作模式,以及改變經由牙刷(100)的一輸出(148)而傳送的音訊信號。