Detail: 
• Generate a musical through a 2-inch 0.25W. speaker.
• The IC circuit utilizes the principle of digital memory.
• The digital signal and program which cannot be changed is put in IC produced from the IC factory. This is called as ROM.
• The FUTURE KIT apply IC ROM in microchip from sealed with the imprinted connected pattern. 
• Power supply : 3 VDC.
• Recommended housing : FB17
• PCB dimensions : 1.1" X 1.1"