Mini bluetooth speaker 1, Portable rechargeable speaker 2,Mini portable speaker for laptop 3,For PC,MP3,Iphone,ipad Specification: SpecificationsProduct namePerfect Mini wireless bluetooth speakerItem no ... voltage: DC 5VOperating voltage:DC 3.7VBatterycapacity: 550MA -About usShenzhen Light point technology CO,Ltd is a company specilized in compuer ...