EMK Male To Female SPDIF Paired Digital Optical Audio Extension Cable, Cable Length: 3m (Blue)1. The audio port is extended, making it more convenient to plug and unplug 2. The outer quilt is made of nylon braided mesh to protect the wire body, which is soft and tensile, and reduces damage 3. Male to female digital optical fiber extension cable, high fidelity transmission sound quality, support for a variety of audio, stable and not loose 4. Support the transmission of multiple audios, using standard S PDIF protocol transmission, support the