Play,record and edit as a MIDI file with virtual keyboard</br>Earphone jack, also can connect with external speaker</br>Support USB midi out， Play with your PC or laptop.</br>88 standard keys as real piano</br>23 demo songs, 100 kinds of rhythm, 128 kinds of tone</br></br>Product Description</br></br><b>Product Specification: </b></br> 88 standard keys as real piano (include black keys) </br> 128 kinds of tones,100 kinds of rhythm,23 Demo songs </br> Record&playback,maximum to 740 musical notes </br> Support USB midi out，connect with computer </br> 12 volume can be adjust </br> With sustain pedal include </br> LED digital display </br> Power Supply:DC 5V or x4 AAA Batteries </br></br> <b>Note： </b></br> * Please put the roll up piano horizontally when you play </br> * Do not use rechargeable batteries, please take out the batteries after performance</br></br><br/>http://www.amazon.com/gp/product/B00GBZZ8NC