... (Not included)Function:1.Letter: when pressing letter key, and pressing A-Z, it will pronounce 26 ... letters.2.Word: when pressing word key, and pressing 1-10 keys, it will pronounce one ... Z, it will pronounce 26 corresponding words.3.Note: when pressing note key, and pressing 1-10 keys, it ... Do Rai Mi... 4.Music: when pressing music key, and press the number or letter keys, it ...