EMK Male to Female SPDIF Digital Optical o Extension Cable, 1m (Blue). Extends the o port for easier connection and disconnection. Outer jacket made of nylon braided mesh protects the cable, providing flexibility and durability. Male-to-female digital optical fiber extension cable ensures high-fidelity sound transmission, compatible with various o formats, secure and stable connection. Supports transmission of multiple o signals using standard SPDIF protocol, including PCM, Dolby, DTS, and 5.1 surround sound. Features low-dispersion PMMA material and POF high-quality optical fiber for fast and accurate digital signal transmission. PMMA fiber provides high resistance to electromagnetic and noise interference, eliminating background noise and current sounds for clearer o and video performance. High-polished convex lens Toslink connector ensures precise contact, focusing the light beam effectively to minimize signal delay and distortion, delivering clear, high-fidelity o and video. Outer jacket: Nylon woven mesh. Cable dimensions: Outer diameter 6.0mm, middle layer 5.0mm, inner layer 2.0mm, PMMA fiber core 1.0mm. Delivers HD, lossless HIFI sound quality. Available in multiple lengths: 1m, 1.5m, 2m, 3m.