1. Suitable for Macbook, home theater, Blu-ray, AV receiver, DVD, CD player, etc. 2. Imported plastic optical fiber (POF) core, OD6.0mm 3. Cable outer diameter: 4.0mm, 6.0mm 4. 24K gold-plated lead head 5. Dust cover design, easy to use 6. Support 5.1 7.1 surround sound
