49 Keys Roll Up Piano Foldable Portable Hand Roll Piano

Features：
Built-in 16 kinds of tones, 10 kinds of rhythms, and 6 demos for learning and listening to the classics.
Standard 49 keys roll up piano, perfect for kids, adults and beginners.
Multiple functions: one key one note, 16 levels of volume control, 32 levels of speed control, 3 sound effect modes (echo, mixing, vibrato), rhythm editing, recording, etc.
Support external connection of earphones, audio, and microphone input.
Built-in loudspeaker, mellow and melodious sound.
Small and lightweight, foldable and potable, easy to carry it around, play whenever and wherever.