This roll-up piano has 128 excellent sounds, 128 rhythms, and 20 demos. It is designed with a foldable and portable silhouette, built-in speakers, rechargeable battery for up to 8 hours of play. It is multifunctional and supports MIDI, maintenance, recording, USB, external speakers, and headphones. This professional-designed piano is perfect for children and beginners and is a great gift option. Its double speaker gives an enhanced sound for playing songs and even for karaoke. Its simple operation with multifunctional led digital display tube makes it easy to use. This piano has a powerful function, more standard tone, and high sensitivity. Its black keys are higher than white and have a thickening sense of perfection. Features 1. Standard 61/88 Key Digital Piano: 128 Excellent sounds, 128rhythms, and 20 demos. A new generation of keyboards and high-speed processors give you a high-performances piano experience. 2. Portable & Light: With an extremely light and fold able design, built in rechargeable battery allows for play on the go for up to 8 hours. Play the fold able piano in your living room, bedroom, or while having a picnic in a park outside 3. Multifunctional: Built-in double speaker The sound is even more shocking, connect the phone to play songs for auxiliary exercisesConnect microphone can be karaoke; Multifunctional interface, support MID, maintenance and recording, USB, external speakers, headphones, external power supply. 4. Well-designed: It has a more powerful function and more gentle and standard tone, black keys higher than white, high-end keyboard thickening sense of perfection and the sensitivity is high. With multifunctional led digital display tube, simple operation. 5. Great Gift: Professional designed for children and beginners ,perfect gift for your friends and kids. Specification Material: Silicone, ABS Color: Black Size: 102 x 22 cm, 138 x 22 cm Weight: 1180 g, 1300 g Battery capacity: 1000 mAH Package Include: 1 Foldable Piano 1 Power Adpter 1 Batery 1 USB Cable 1 Piano Pedal 1 User Manual