矩阵按键+一个独立按键，在这里可以按你想要的八个音节，它可以在在蜂鸣器中响出来，它有保存键，可以保存三首，在按音节时，有停顿，有延时，音节按错也可以把这个音节删除，在按过。在哪里按停顿和延时，播放时就可以在哪里停顿和延时。保存三首不要也可以删除再保存过(A matrix key + independent keys, according to the eight syllable you want here, it can ring out at the buzzer, the Save button, you can save three in the first, according to the syllable, a pause, delay, press the wrong syllable can also put the syllable deletion, in according to the. Where there is pause and delay, where can I pause and delay when playing?. Save three, do not also delete, and then saved)