Customize your handheld rock Super simulation mini drums， powerful， there are five colours drum sound and five games Cultivate aesthetic vision and creativity! Inspired by the auditory development and grasp of sound! Cognitive inspired touch and texture recognition Every detail we do it by heart Fingers of music Combining your hearing and touch with unique waterproof Material: ABS.Size: 15 * 10 * 10 cmBattery: 5 battery (section 4)Fingers touch measures raised can be many different jazz music， can play a mouse， can store music is played