... , MP3 & Mp4 mini speaker, computer speaker, speaker,mini computer speaker, usb computer speaker, 2.0 usb speaker, computer 2.0 speaker, notebook speaker, portable speaker, promotional speaker,Promotion gift speaker. Description: 100% Brand ... voltage protection condition, this time you should change to adapter below6V to work properly.Package Included: 1x MINI Speaker 1x Lanyard 1x USB ...