1.Material:Aluminium alloy 2.Use for TF card,MP3,MP4,CD,DVD,IPOD,IPHONE, GPS,PSP,mobile phone,computer,SD card 3.CE,FCC,ROHS 2012 new arrival mini andriod robot speakerSpecification BrandOEMModel numberLWU-023CertificationCE FCC ROHSMaterialAluminium alloyOutput power3W 4ohmsAntimagnetic 4 ohmsSound respond frequency20HZ-20KHZ Power supplyDC 5V Operating voltageDC3.7VOperating tempereture-10°C~+ ...