EMK 90 Degree Swivel Adjustable Right Angled 360 Degrees Rotatable Plug Nylon Woven Mesh Optical Audio Cable, Cable Length:3m(Blue)1. 90 degrees angle, 360 degrees rotary plug, more convenient to use 2. The outer cover is made of nylon braided net to protect the line body, which is soft and tensile, reducing damage 3. The fiber ports at both ends are equipped with dust caps to prevent the ports from contacting with air to accelerate oxidation and prolong the service life 4. Port: gold plated 5. Sound quality: high definition lossless HIFI 6. Shell: plastic shell 7. Lining: PE 8.