Features 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. Specification Item Type: 88 Keys Roll Up Piano Material: Silicone, ABS Colour: Black and white Battery Type: 2200mAh lithium ion battery (built in) Power Supply: Rechargeable lithium battery power or USB 5V power supply or mobile charger power supply Keyboard: 88 standard keys (black keys included) Tones: 128 types Rhythms: 128 types Demonstration songs: 14 Functions: Bluetooth connection, reset function, transpose function, easy recording, editing, playback, sustain, vibrato, teaching, chord function Display: LED digital tube display Speaker: Self contained speaker to play independently External: 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 List 1 x 88 Keys Roll Up Piano 1 x USB 5V Power Charging Cable 1 x Foot Pedal 1 x User Manual