Multifunctional 49 Keys Digital Piano Roll Up Piano Keyboard Built-in Large Capacity Battery Electric Keyboard for Beginners

Features:
This roll-up piano -- the international standard keyboard -- is the third generation keyboard with strength and good feel, and the black key is higher than the white key.
The roll up piano, with multi-functional buttons,  features simple operation, high cost effectiveness and easy portability.
By turning the volume knob to change the volume and the stereo loudspeaker gives you a pleasant acoustic enjoyment.
This piano has 47 excellent tones and is equipped with 128 rhythms and 14 demos, suit for kids and beginners.
The piano keyboard is made of soft and quality silicone, no toxic and no odour.
The piano keyboard is light weight and small size, which makes it easy to play the piano anytime and anywhere you want.
With microphone audio input, the roll up piano can gives you excellent experience to sing while playing and a lot of fun.
Large capacity rechargeable lithium battery provides almost whole day of use after being fully charged.

Specifications:
Model: HUA004 / HUA005 (optional)
Interface support: USB /  Headphone jack / Microphone jack
Recording mode: Live record
Power supply: 500mAh lithium battery
Material: Quality silicone / ABS
Color: Black&white / Colorful (optional)
Piano key quantity: 49keys
Black key size: 5.5 * 1.5cm / 2.17 * 0.59in
White key size: 9.8 * 2cm / 3.86 * 0.79in
Keyboard size: 71 * 12.3 * 0.9cm / 27.95 * 4.84 * 0.35in
Item size: 79.5 * 13 * 1.8cm / 31.3 * 5.12 * 0.71in
Item weight: 605g / 21.34oz
Package size: 16.4 * 14.5 * 7.2cm / 6.46 * 5.7 * 2.83in
Package weight: 803g / 28.32oz

Package List:
1 * roll-up piano
1 * USB cable
1 * operation instruction