Welcome to our store! 1,61 KEYS STANDARD PIANO: 61 keys hand roll piano for all ages with 61 keys (A1‑C9) standard piano. 128 tones, 128 rhythms, 14 demo songs. 2,MULTIFUNCTIONAL DESIGN: Roll up keyboard piano supports easy recording, editing, playback, sustain, vibrato, teaching, and chord functions. 3,SUPPORTED DEVICES: Hand roll piano comes with speakers for independent playing, supports external sound or headphones, and can be connected to an external sustain pedal. 4,POWER SUPPLY: Portable roll up piano is powered by a rechargeable lithium battery and can be powered by an external DC5V power supply or mobile charger. 5,LED DIGITAL DISPLAY: 61 keys roll up keyboard piano supports MIDI output and can be used with computer or tablet with LED digital display. <div class="wang-edit-text"><p class="wang-edit-text"> <p class="wang-edit-text"> Item Type: 61 Keys Roll Up Keyboard Piano Material: Natural Silicone, ABS Color: Black Output Power: 500mW Applicable Voltage: 100-240V Power Supply Mode: 1. Built In Lithium Battery Power Supply 2. External USB Power Supply Battery Type: Built In 1100mAh Lithium Battery (Included) <style> .wang-edit-text{ font-family:'Arial' !important } .wang-edit-text table { border-top: 1px solid 000 border-left: 1px solid 000 } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000 border-right: 1px solid 000 padding: 3px 5px } .wang-edit-text table th { text-align: center }</style> 1 x 61 Keys Roll Up Keyboard Piano1 x Power Cord 1 x Adapter 1 x Instruction Manual (Customer Satisfaction) - is our priority. If you notice any problems with the products after receiving the goods, such as damaged goods or incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory after-sale service. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.