61 full-sized keys: 61 full-sized keys are great for learning and developing keyboard playing technique. * 385 high-quality instrument Voices: A wide variety of instrument Voices including Voices with preset digital effects. Also features preset dual Voices like Piano plus pad for rich, complex sound. * 100 Styles: Built-in bands that are always ready to follow your lead. Great for practicing, arranging different material or writing your next hit song! * Ultra-wide stereo: Creates a stereo image wider than the speakers using Yamaha"s digital signal processing technology. * Yamaha Education Suite (Y.E.S): Practice with the preset songs at your own pace one hand at a time or both together using Yamaha Education Suite.