... 1.Plug type: Fang type plug/Toslink ,usb 2.ROHS certificate 3.PVC plastic TV set-top box,Digital camera, Computer Optical ... card, sound card, Cable TV set-top box,Digital camera, Computer peripheral digital products, copier, printer, Printing equipment, Light sensor ... , medical equipment and power system, etc. 3). Plug type: Fang type plug/Toslink (including inserted core have metal and plastic two ...