Feature 1With LED Display and Horn: The foldable keyboard piano has LED nixie tube display, and comes with a horn to play independently. 2Practical: Portable piano contains 128 kinds of sounds, 128 kinds of rhythms, 15 demo songs, with 88 keys (A1C9) standard piano suitable for all ages. 3Multifunctional: The hand roll portable piano is multifunctional with easy recording, editing, playback, sustain, vibrato, teaching, chord functions. 4Rechargeable: The portable piano has a rechargeable lithium battery, which can be powered by an external DC5V power supply or a mobile charger. 5Applicable: Foldable piano supports external speakers or headphones, external sustain pedal, supports MIDI output and can be connected to a computer or tablet.Item Type: RollUpPianoMaterial: Natural Silicone, ABSColour: Black Output Power: 500mWApplicable Voltage: 100-240vPower Supply:1. Powered by Built in Lithium Battery2. External USBPower SupplyBattery Type: Built in 1100mAh Lithium Battery (Included) .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; }Package List1 x Host1 x Power Cord1 x Adapter1 x Sustain Pedal1 x Manual