1.Manufacture speakers 2.OEM and ODM are welcome 3.CE, FCC, ROHS, etc. 4.Good acoustics and popular 5.Made of aluminum Detailed Product Description1.USB vibration speaker2.support PC,MP3,MP4,CD,DVD ,Mobile phone,etc 3.support USB,Micro SD Card reader Packaging Detail1.Color box:16*10.7*7.3CM2.Master carton:38*33*23CM3.unit weight: N.W.:364g G.W.:565g 4.N.W./G.W.:7.28kg/12.3kg 5.QTY.:20PCS/CTN ...