... card Voice module,Pre-recorded module, Parameter:1.Material: PCB board(40X30mm), speaker(φ40mm), battery(3*AG-10),Press button and ... types are available Can record music by yourself at your side Voice or music pre-recorded time: 3 to 300 seconds ... are available Can record music by yourself at your side Material: PCB board, speaker, battery, press button, and recording IC Voice or ...