... size 4.FCC CE ROHS ISO9001 5.CE ROHS Sound boxItemDescriptionNamemini sound button box MaterialABS plasticSizeDiameter 3.5cm/high 3cm or customColorBlack, ... includes: single chip, consumer IC, electronic modules, sound module box, educational sound book, sound plush toys etc.More than 25 professional electronic and ... enable us to manufacture goods with good quality. mini sound button box