Feature 1 Portable Roll Up Piano: Convenient for all ages, with 88 keys (up to C9) and MIDI function for easy APP connection. Great for beginners and experienced players alike. 2 Versatile Sound Options: 128 tones, 128 rhythms, and 14 demo songs to play various genres of music. Connectable to microphone and sound input for endless possibilities. 3 Multi Functional Piano: Portable digital piano is designed with recording, editing, playback, expansion, vibrato, teaching, chord, reset, digital selection keys, and more. 4 LED Display: Equipped with LED digital display, built in speakers for independent play, support for external speakers or headphones, and external sustain pedal connection. 5 Power Options: Powered by rechargeable lithium battery, USB 5V power supply, or mobile power bank. Supports MIDI output for connection to computers or tablets.Item Type: 88 Keys Roll Up PianoMaterial: Silicone, ABSColour: Black and whiteBattery Type: 2200mAh lithium ion battery (built in)Power Supply: Rechargeable lithium battery power or USB 5V power supply or mobile charger power supplyKeyboard: 88 standard keys (black keys included)Tones: 128 typesRhythms: 128 typesDemonstration songs: 14Functions: Bluetooth connection, reset function, transpose function, easy recording, editing, playback, sustain, vibrato, teaching, chord functionDisplay: LED digital tube displaySpeaker: Self contained speaker to play independentlyExternal: Support for external sound or headphones, can be connected to an external sustain pedal.MIDI Output: Support MIDI output to connect with computer or tablet. Package List1 x 88 Keys Roll Up Piano1 x USB 5V Power Charging Cable1 x Foot Pedal1 x User Manual