High-performance integrated main control chip, supports 2.0/2.1/5.1 channels and multiple audio formats such as PCM/LPCM/AAC/DSD/Dolby.Sturdy alloy shell, fast heat dissipation, wear-resistant and durable, resistant to scratches and wear, further protecting the internal core.Gold-plated interface, durable and wear-resistant, effectively reduces audio transmission loss, restores good sound quality, and is long-lasting.PVC resilient material, flexible and bendable, not easy to tangle or knot, can be crumpled and still look like .Note: USB interface powered; cannot be used without connection.Product Name: HDTV ARC to Optical Fiber Audio Adapter CableCable Core and Outer Sheath: PVCShell Material: AlloyPlug: Gold-platedCore: High-intelligence conversion chipColor: As ShownMaterial: PVC+AlloySpecification: 3 metersPackage Contents:1* HDTV RCA to Optical Audio CableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.