EMK Male To Female SPDIF Paired Digital Optical Audio Extension Cable, Cable Length: 1m (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 SPDIF protocol transmission, support the transmission of PCM, Dolby, DTS, 5.1 and other audio signals 5. Low dispersion PMMA material, POF high-quality optical fiber, fast and accurate transmission of digital signals 6. Using PMMA fiber material, the signal transmission is highly resistant to electromagnetic and noise interference, no noise and no current sound, and the audio and video quality is better and clearer 7. High polished convex lens Toslink port, contact fit, can highly focus the beam, reduce the time difference and distortion during transmission, and transmit signals with clearer high-fidelity audio and video 8. Outer quilt: Nylon woven mesh 9. OD: middle quilt: 5.0mm, lining: 2.0mm, PMMMA fiber core: 1.0mm, outer quilt: 6.0mm 10. Sound quality: HD lossless HIFI 11. Cable length: 1M, 1.5M, 2M, 3M