61 keys flexible roll up piano is a portable silicon electronic piano with 61 keys. It combines the newest science with modern numeral technology on the fingerboard, breaks the concept of general piano, which will bring up the convenient and light & thin roll up piano , with the novelty aspect, unique function and arioso tamber. It is the newest fashion product at present, and with the light & thin design and roll able fingerboard, and it is very convenient to carry and play at anywhere and any moment, which will make you enjoy the music fully. Features: It is just like the classic electronic organ; it can play by itself, no need connect to the PC, it is very convenient to carry with rolling up. With light & thin aspect design, compact and beauty. The international normal musical scale demands will bring you the normal sounds. Input 100 kinds different tambers for your choices. Input many kinds of style rhythm, and may adjust the speed of each rhythm. With input 10-demo music for your study.3 bit blue LED nixie tube display Vibrato setup will enhance the effect of all tambers. Input speaker with tamber fruity and silvery. Connect head phone with the outer sounder. Packing: Electronic Piano x 1, User's Manual x 1 Inner Packing: 1pc/Colour Box Color box: 318x190x84mm Outer Packing: 12pcs/CTN CTN size: 51 x 33.5 x 39.8(cm) N.W.: 13.2KG G.W.: 15.4KG