... of Origin: Shenzhen China (Mainland)Brand Name: Sheng YipModel Number:SY-round box -1speaker: 27mm29mm,35mm,35mm,40mm or othersbatteries:Ag10 ... , voice chip, speaker, LED indicator and batteries, more or less for different items· Plastic box: size 25-35mm diameter,thickness15 - 38mm ... a member of ICTI since June, 2006. We are looking for to make cooperation with you. Round sound box/sound bar ...