What's in the box:

Portable Silicon 61 Keys Hand Roll Up Piano Electronic USB Keyboard with Built-in Li-ion Battery and Loud Speaker (Black Red)

Features:
61 keys portable roll up piano, convenient storage and easy carrying.
Silicon keyboard with thickened design, more real and more comfortable feeling.
Features 14 demo songs, 128 kinds of rhythms, 128 kinds of tones.
Supports recording, programming, playback, tutorial, sustain and vibrato functions.
Piano/ drum kit functions, master volume and tempo control keys.
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 1100mA li-ion battery or USB 5V power adapter.

Specifications:
Color: Black + White
Material: Silicon + Plastic
Keyboard: 61 keys
Tone: 128
Rhythm: 128
Demonstration songs: 14
Power Supply: Built-in 1100mA Li-ion Battery or USB 5V Power Adapter
Power Adapter: US Plug
Main body size: 23 * 9.5 * 2.5cm / 9.1 * 3.7 * 1in
Keyboard size: 90 * 16.5 * 1cm/ 35.4 * 6.5 * 0.4in
Product Weight: 922g / 2lb
Package Size: 28.5 * 23 * 9.5cm / 11.2 * 9.1 * 3.7in
Package Weight: 1.3kg / 2.9lb

Package List:
1 * Roll Up Piano
1 * USB Cable
1 * Power Adapter (US)
1 * User Manual(English)