1. This piano keyboard is a portable design that can be easily rolled up and carried. It has 88 keys and provides a complete range of sounds, allowing you to play high-quality music. 2. The keyboard has a built-in rechargeable battery, which is convenient for you to charge. There is no need to replace the battery frequently, allowing you to enjoy music anywhere. 3. This digital electric hand-rolled piano keyboard not only has the sound and feel of a real piano, but also comes with a variety of tones and sound effects, allowing you to create rich and diverse music. 4. It also comes with rhythm, harmony, recording and playback functions to meet your creation and practice needs. 5. In addition, this piano keyboard also supports a headphone jack, you can connect headphones to practice and play in a quiet environment without disturbing others.