Amazon details - https://amzn.to/3i8d7xE

Keyboard：88 Keys
Color：Black & White
Tone：128
Rhythm：128
Demonstration Songs：14
Power Supply：USB Cable,DC 5V Power Adapter(not include),Built in Lithium Battery
MIDI：Support
Built in Speakers：1
Type：Roll UP Piano
Applicable People：Beginner / Professional Performance / Home Education
Pitch Range: A1-C9
Rated Voltage: 5V

Feature：
- Foldable 88 keys portable roll up piano,space saving and easy carrying.
- keyboard with thickened design, give you real and comfortable feeling.
- Features 14 demo songs, 128 kinds of rhythms and 128 kinds of tones.
- Supports recording, programming, playback, tutorial, sustain and vibrato functions.
- with LED display showing the relevant parameter information.
- with built-in speaker and headphone jack for connecting earphone or external speaker.
- with USB MIDI output and sustain pedal interfaces.
- Dual power supply: built-in li-ion battery or USB 5V power adapter.
>> Package include
1 x Roll Up Piano
1 x USB Charging Cable
1 x Sustain Pedal
1 x Manual
The songs provide the joys of learning while your kids learn how to play.