foldable electric roller piano (supports sustain p

Main features (1) with 4 built-in separable super stereo speakers (2) new function: sustain pedal (3) brand-new sleek case design (4) super senstitive keyboard with refined sound quality (5) superior soft silicone rubber keyboard material (6) 3 learning modes for different levels of learners Upgraded silicone texture & sound quality Features: 61 Keys, 5 Octaves (C2 C7) Standard piano keyboard 4 separable build-in speakers 129 Tones 100 Rhythms 12 Demo Song 3 digital displays Special sound effect: Sustain pedal (optional) 3 learning modes for different levels of players/learners Recording and playback Inner connection of amplifier: earphone/amplifier(Home Theater) can be connected externally. Power supply: Energy saving design. Inbuilt 4 AA batteries. Available for outer connection of power.