Portable 49 or 37 Keys Silicone Flexible Roll Up Piano Foldable Keyboard Hand-rolling

The latest 49 or 37 mini keys portable rolls up piano keyboard is a good choice for beginners and children.

Features:
Portable, fashion, concise, easy to roll up and carry.
8 built-in instrument sounds in tone button.
6 demo songs in demo button.
1 adjustable volume control.
1 speaker offering loud, clear and melodious sound.
Support echo/sustain, record, play and edit your own music.
Support earphone/external speaker position, won’t disturb others while using earphone.
The red LED light on when playing.
Power-saving mode: smart sleep after 3 minutes with no play.
Tactile sensitivity and fun for beginners and young children.

Specifications:
Material: Silicone Rubber & Plastic
Color: Black & White
Gender: Unisex
Function: Educational
Toy Type: Electone
Power Supply:DC 5V Adapter or 4 * 1.5V AAA Batteries (Not included)
Plug Type: US / UK / EU (optional)
Length: 14-80cm / 5.5-31.5in
Item Size: Approx. 80 * 15 * 2cm / 31.5 * 5.9 * 0.8in
Item Weight: 565g / 20oz
Package Size: Approx. 21.5 * 15.5 * 8cm / 8.5 * 6.1 * 3.1in
Package Weight: 790g / 27.8oz

Packing Lists:
1 * Roll up piano
1 * DC 5V adapter
1 * User manual (English)