2. FULL SIZE: Portable folding piano, despite being slim and compact, has the same keyboard size as an actual piano and the keyboard sinking depth has been made. Let you enjoy playing a full size piano and feel the heavy hitting sensation. 3. MULTIFUNCTIONAL: This foldable piano has 128 tones, 128 rhythm modes, 20 built in demonstration songs, support for sustain, tremolo, chords, recording, transposition, metronome, etc. It is the best choice for beginners. 4. BUILT IN SPEAKER: Electronic piano has built in premium dual speakers to simulate real piano sound. You can connect headphones to get a high level of sound quality, perfect for evening practice. And with BT MIDI, BT sound function. 5. WIRELESS CONNECTION: BT piano can be paired with your smartphone or tablet for wireless connection to piano game apps like for Garage Band, for Perfect Piano, etc. MIDI, USB interface can be connected to your computer to edit music and play all piano games. How to Use: Use after powering on. Specification: Item Type: Folding Piano Material: PVC, ABS Output Power: 3W x 2 Power Supply Mode: 1. Built in Lithium Battery Power Supply 2. External USB Power Supply Applicable Voltage: 100-240V Battery Type: Built in 1100mAh Lithium Battery (Included) Package List: 1 x Folding Piano Host1 x Power Cord 1 x Adapter 1 x Sustain Pedal 1 x Piano Bag 1 x Music Stand 1 x Manual