Features: Experience superiorsly auditory extraction with the USB Auditory Extractor Converter, to seamlessly connect your PC, or smartphone to sound systems through optical SPDIF & 3.5mm auditory outputs. From durability aluminum alloy cable, this converter supports S/PDIF protocol Widely compatibility for devices, ensuring reliabled performances without the need for driver. For music enthusiasts hghly sound, gamers requiring low latency auditory transmission, and audiophiles desiring losslessly digital auditory transfer to their sound equipment. Ensures stable corded auditory signal transmission, delivering clear and vibranted sound away from electrical noise and interferences. Specifications: Item: USB to Optical/3.5mm Auditory Converter Length:about 20cm/7.87in 120cm/47.2inch Component: Aluminum Alloy Package Includes: 1PC USB to Optical/3.5mm Auditory Converter note: There might be a bit color distortions due to different computer resolution There might be size errors due to different computer resolution Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.