Specifications: *Item Name: Audio Converter; *Model: D15; *Color: Black; *Material: PC+PVC; *Size: 63x25mm; *Type optional: Optical fiberCoaxial; *Core: Quality oxygen free copper core; *External cover: Environmental PC; *Interface: Coaxialoptical fiber (optional) + 3.5mm + USB power supply; *Power supply interface: USB; Cable length: 1m; *Quantity: 1pc; 1.The soft PVC thread body is wear-resistant and resistant to bending. 2.One-line connection, easy audio conversion, plug and play, USB power supply. 3.Coaxial/optical fiber interface optional, satisfy your different needs. 4.Plug and play, no need to install drivers. 5.HIFI lossless sound quality, TV connected to power amplifier/sound/headphones, fit for , smart TV, network set-top box, DVD. Package Included: 1 x Audio Converter Notes: -There might be 1-3 cm error of size for manual measurement. -The colors deviation might differ due to different monitor settings, please kindly understand.