Audio Engine Speaker-red Speaker System 1.CE,Rohs,FC, ISO9001:2000, HR4040 ... panel volume control 3.MOQ3K Features:1) Accompanying speaker for PC,MP3,MP4, and notebook;;2)Pure and elegant sound ... take6) Built-in USB port for speaker chargingOur main products:Headsets, Microphone,Speaker,etc, we also handle business of ... NO Phthalate,HR4040,California Prop65,etc. Audio Engine Speaker-red Speaker System