1. Practical: Convenient to carry and play anytime, anywhere with its rollable design. Builtin stereo speakers allow for playing at home, school, outdoors, or while traveling. Connect external headphones to avoid disturbing others and enjoy music . 2. Multifunctional: Features a builtin speaker delivering soft, clear, and melodious sound. Includes 16 builtin tones, 10 rhythms, and 6 demo songs for learning and enjoying classics. 3. Versatile connectivity: Supports output for music editing via computer (MIDI cable not included). Doubles as a power bank in emergencies. MP3 player functionality with rich interfaces: USB, external speakers, headphones, and power input. 4. Beginnerfriendly design: Portable with an ultrathin white control panel. Thickened silicone keys offer a comfortable touch, while the elegant body provides visual appeal. Supports up to three simultaneous keys, ideal for beginners learning simple chords.