1.pass RoHS TEST ,CE 2.ISO -9001 quality guarantee 3.Manufacture direct sales,competitive price 4.Small quantity accepted We had passed CE for the cable picture of packagingStructure&description      Optical cables are a must-have for any audio enthusiasts. Constructed of a High-Purity optical grade fiber, it offers an excellent signal transmission.  The manufacturing process employs a sophisticated lens-polishing to make the clearest end possible. Micro convex ends are added to highly focus the beam of light. These techniques result in minimal error even with a highly distorted signal. Toslink cables are immune to Electromagnetic Interference and Radio Frequency Interference which are common to standard Audio/Video cables.Applications: Primarily used to connect audio equipment like: Audio receivers, DVD players, SACD players SAT top boxes and cable boxes or any audio equipment that would utilize this type of connection.

2.5mm aux audio cable connection