Feature: 1. Colorful Piano Keys: 49 keys foldable piano keyboard with colorful standard keys, features a simulated keyboard with a strong rebound. With functional hotkeys for easy rhythm adjustment, and built in sleep mode. 2. Safe and Portable: Made with safe silicone material, sturdy and water resistant design, lightweight and compact, this roll up piano can be rolled up for easy portability and storage. 3. Rich Sound Options: 8 tones and 6 demo songs for learning and enjoying classic music, with clear and crisp built in speaker sound. 49 standard keys allows you to play tons of music without taking up the space. 4. Rechargeable Design: Comes with 360mAh rechargeable battery, output power of 500mW. Ideal for beginners and enthusiast, take this piano pad with you anywhere, even when you go outdoors, you can play anytime anywhere. 5. Versatile Connectivity: Can be connected to external earphones and speakers, making it suitable for various playing environments. The soft piano pad is flexible, easily roll out while playing and roll it back up and store in your backpack after you are done playing. Specification: Item Type: Portable 49 Key Piano Keyboard Material: Silicone, ABS, Electronic Output Power: 500mW Charging Time: 2 hours Battery Type: Built in 360mAh Lithium Ion Battery Package List: 1 x Roll Up Piano 1 x Power Adapter 1 x User Manual