Casio Keyboard 61 notes CTK3500
You can use this keyboard with batteries if you wish, or you can use the adaptor that is included.400 tones and 150 rhythms to choose from. Auto accompaniment will also give you a great backing to make the performance complete.While this keyboard comes with built in songs, you are also able to connect your IOS or Android device to the keyboard with an audio cable. It is as simple as downloading the free app CORDANA PLAY then connect the audio cable from your headphone output of your device to the keyboard audio input. And this will allow you to explore an endless library of songs that you can select and play.