Yamaha EZ-220 61-Lighted Key Portable Keyboard Package with Headphones, Stand and Power Supply Premium bundle includes the Yamaha EZ220 keyboard, Samson HP30 closed-back stereo headphones, World Tour PA-130 power supply, and World Tour SXKS keyboard stand 61 touch-sensitive, lighted keys Total of 392 high-quality instrument voices and 100 accompaniment styles 100 built-in songs plus 1 demo song for easy learning. Also includes: Fingering guide, Yamaha Education Suite, and EZ-220 Page Turner app for iPad. Number of Polyphony (Max.):32