Features:
Small and portable design, can be hand-carried, it can also be rolled up for easy storage in you hand bag or carrying case.
88-key piano with MIDI out jack and USB port to synchronize your computer.
Has 30 demonstration songs, 128 kinds of rhythm, 140 kinds of tones and volume adjustable.
Capable of displaying music in MP3 player, only need to connect MP3 player with piano.
Built-in speaker, also with speaker jack for connecting with external speaker.
Record function, record what you play.
Comes with a sustain pedal.
LED digital display.
Powered by 3 * AAA 1.5V battery(not included) or power adapter.

Specifications:
Keyboard: 88 keys
Tone: 140
Rhythm: 128
Demonstration songs: 30
Rated voltage: DC 5V adapter or 3 * AAA 1.5V batteries(not included)  
Material: Silicon
USB cable length: 152cm / 60in
Main body: 21 * 11.5 * 3cm / 8.3 * 4.5 * 1.2in
Keyboard: 125 * 13.5 * 0.8cm / 49.2 * 5.3 * 0.3in
Item weight: 992g / 2.19Lbs
Package size: 27.5 * 23 * 10cm / 10.8 * 9.1 * 3.9in
Package weight: 1528g / 3.37Lb

Package List:
1 * 88keys Roll Up Piano
1 * Power Adapter (US plug)
1 * Sustain Pedal
1 * USB cable
1 * User manual(English)