... sales in domestic internet market,your best choice . Keyboard:61-key standard piano keyboardDisplay:LED digital displayVoice: ... stereo demo songEffect Control:Sustain ,vibrato,Transpose, keyboard split,metronomeDirectly selected voice\style:4 directly selected ... selected stylesRecord:Real-time record,playProgram:Styles program functionDrums:Keyboard drumAccompaniment control :Start /stop ,sync,fill-in, ...