Audio Engine Speaker-red Speaker System 1.CE,Rohs,FC, ISO9001:2000, HR4040, NO Phthalate 2.Back panel volume control 3.MOQ3K Features:1) Accompanying speaker for ... to take6) Built-in USB port for speaker chargingOur main products:Headsets, Microphone,Speaker,etc, we also handle business of mould ... 2000, FC, CE ROHS, NO Phthalate,HR4040,California Prop65,etc. Audio Engine Speaker-red Speaker System