The CTK-2100 offers pure playing pleasure for the beginner! Play along with your favorite song via the audio input, or learn songs step-by-step via the StepUp learning system. With 400 tones and 150 rhythms the CTK-2100 can be powered by using just 6-AA batteries. The CTK-2100 produces a wonderful, natural sound that is perfectly suited to a diverse range of genres. The 61 'piano look' keys on the CTK-2100 guide you through a whole host of songs. The 61 'piano look' keys give the keyboard a sophisticated, elegant appearance and provide the ideal scope for musical inspiration. In the Step-up learning system section, the practice piece is divided into individual sections and then taught step by step - just like in a traditional music lesson. The 3-level, interactive learning system offers a simple way to achieve your learning goals. The new voice pad feature will take you to new creative heights. Get creative: The Voice Pad function provides a simple way of playing back voice samples, such as "YO" and "HEY", as well as other effects and sounds using the keyboard's pads. Moreover, the audio-in function lets you record your own samples of up to ten seconds, which can then also be played via the Voice Pad function.