Fashinable portable mini speaker with USB input high quality: 1.New mini iphone speaker 2.SD card reader ... Voltage:5V+0.5VOperating System:Microsoft Windows Vista, XP sp2 Mac Os 10xCertificates:CE & RoHSProducts Packing:1. Box Size: PVC ... 4.3.5 mm audio retractable cable can connect with PC, Mobile, Mp3, Mp4, TV, PSP .etc 5.Smaller ... : ROHSCE Fashinable portable mini speaker with USB input high quality