My family bought me this portable hand roll piano, which allows me to enjoy music anytime, anywhere.Outdoors, travel, parties, can show your skills Regardless of your age or skill level, this roll up piano makes a great gift idea. FEATURES: Question1: What is the playing style? There is no difference between a hand roll portable piano and a professional. Professionals can use it outdoors to practice their hands. Non-professionals can develop their own sense of music and interest in music. Question2: How long does it take for logistics to travel? About a week, you can also choose a more rapid VIP transport Question3: If it is broken, can you take it for repair? Quality problem we have a warranty Specification: Keyboard model: (standard piano key and Octave) Tone:128 Rhythm:128 Demonstration songs: 45, available for study and appreciation of classical music Power supply: Rechargeable 1000mAh polymer lithium battery, can be used continuously for 8-10 hours Output:500MW Package includes: 1 * 49 / 61 / 88 keys Roll Up Piano 1 * Power Adapter 1 * User manual