61 velocity sensitive keys4.3 inch color display850 tones including 73 Super Articulation Voices, 27 MegaVoices, and 43 Drum/SFX Kits415 accompaniment styles, including 372 Pro, 32 Session, 10 DJ, and 1 Free Play.100 MB internal memory for expansion filesUnison & Accent to make your accompaniment styles more dynamicCompatible with Rec'n'Share apps and microphone inputPlaylist and Registration for convenient saving and recalling of your settingsVoice & Style enhancements using the Yamaha Expansion ManagerAmplifier power: 15 W x 2Speakers: 12 cm x 2Includes music stand, power supply ( PA-300C)