Casio Inc. CTK2400 EPA 61-Key Premium Keyboard Package with Samson HP30 Headphones, Stand, Power Supply, USB Cable and eMedia Software Premium bundle includes: Samson HP30 closed-cup headphones, AD5 power supply, World Tour SXKS keyboard stand, 6' USB cable, and media's award winning interactive instructional software. New, intuitive sampling function with built-in microphone 400 AHL keyboard voices Voice percussion function (samples are integrated into the rhythm) Improved sampling effects