1. Musical Piano: The 88-key electronic piano keyboard has 128 kinds of tones, 128 kinds of rhythms, and 20 demonstrations. It is designed according to a real piano at a 1:1 ratio, making it a suitable gift for budding pianists and adults. 2. Multi-Function: The music keyboard has a built-in speaker, a multi-function interface, a microphone, and an audio input function. It supports MIDI line and computer connection, as well as an MP3 player and Bluetooth function, which can meet various needs. 3. Portable Piano: The roll-up piano is made of environmentally friendly plastic material. Its lightweight and rollable design makes it easy to carry and play anytime, anywhere. 4. Sound Insulation: The built-in microphone allows for sound to be released through earphones, so you can play the piano alone without worrying about disturbing your family and neighbors, providing you with personal performance time. (The product does not include headphones.) 5. Musical Drum: The keyboard has a built-in drum simulation function, using realistic analog sound technology. Switching the drum status can achieve the function of an analog drum, so you get two musical instruments in one. 6. Power input: DC5V/1000mA 7. Output power: 500MW 8. Size: 138x22cm/54.33x8.66inch 9. Material: Silicone + ABS 10. Colour: Black + Orange 11. Package Contents: - 1 x hand roll piano - 1 x - 1 x USB charging cable - 1 x English manual Only the above package content is included, and other products are not. Note: Light and different displays may cause the color of the item to be slightly different from the real thing. The measurement error is allowed to be +/- 1 - 3cm.