37 keys Roll Up Piano keyboard is designed in mini and compact size,that is portable,simply roll it up and put inside the storage bag,you can bring it everywhere. Standard 37 Keys,6 Demo Songs,8 tone colors,10 rhythms,8 drum sets,Hotkey REC&Replay function,Single Finger Chords/Fingered Chords/Fill-in,16-stage volume adjustable,32-stage tempo speed,Zhongkai International Enterprises Ltd. is one of the largest silicone flexible keyboard,silicone electronic drum kits and roll piano keyboard producer in china. Meantime, We are one of flexible keyboard,Bluetooth keyboard,iPad keyboard,61/49/37 Roll up piano( portable piano keyboard),electronic drum ,silicone drum manufactory in shenzhen,,beautiful design ,stable quality. Dimension: keyboard 264*144*4mm,console 92x213x27mm N.W.:820g 5.100% waterproof 4.Automatic shutdown function 3.External DC input 2.External phone output 1.pucker function of electronic keyboard 2012 Christmas Promotion Musical Keyboard Piano,Toy Piano Keyboard,Portable Piano Keyboard Features: 1.Small and portable,suitable for performance and ensemble by students; 2.Suitable for students in primary school and middle school,and music performance and common music practice; 3.4 AA batteries enables 10-12 hours playing; 4.With the headphone,you wont disturb other people while playing;home theater interface is also available; 5.Connect to PC with MIDI cable,ensuring easy composing. Its ready for playing after unfolded,it can connect externally home theater,and stereo,brings more joys and happiness during family parties and gatherings.tones and rhythms are available for product,including piano,saxophone,harp,guitar are available for selection.It\'s not only for professional players,but good for beginners as well,connect it with earphone,one can play it silently,with numerous functions and settings such as recording and demonstrative songs,which serves as supplementary tools during practice