Features: Enhanced Sound Conversion: This digital adapter extracts superior digital sound from your display's sound return channel port, providing clear 24 bit/192kHz sampling to sound systems and lecturer arrangements for better entertainment experience. Simple Connection Process: link via USB power without extra software. Features advanced noise reduction to minimize disruptions while maintaining quick sound transfer from compatible displays with sound return function. Optimized Data Transfer: Gold plated connectors and intelligent conversion processor maintain consistent data transmission within 3 meter distance. Metal fiber tip and plastic USB housing secure long lasting usage. Broad Device Compatibility: Works seamlessly with displays featuring sound return channel, wireless headphones, sound pubs and sound receivers. Note: Doesn't support specific control features or premium sound links requires separate capacity adjustment. Recommended Setup: For best execution, verify your display's digital port has sound return capability, enable sound output mode in display settings, and link the included USB power cable before operations. Protective wiring prevents disorganized installation. Specifications: Product name: USB to visual fiber sound conversion cable center outer quilt: PVC Shell substance: fiber visual head (alloy) USB head (PC substance) Plug: gold plating process Line length: 3 meters Chip: Highly intelligent conversion chip Package Includes: USB to visual fiber sound conversion cablex1 note: Before using the accessory, please check if it is compatible. Pay attention to the storage methods.