[Bi-Directional Coaxial and Optical Converter] Plug and Play, converts coaxial to coaxial and Toslink, or Toslink to coaxial and Toslink. Supports 4 conversion modes. Switch button for input selection. [Coaxial Input Supports up to 192kHz] Coaxial input sampling rate up to 192kHz 24-bit, ideal for home theater. Optical input supports up to 96kHz. [Multiple Digital Audio Formats] Supports LPCM 2.0, DTS, Dolby AC3, and 5.1CH. Enables lossless digital audio conversion. Not compatible with DTS-HD or Dolby TrueHD. [Noise Reduction and Power Indicator] Compact design with high-quality metal housing for noise reduction and heat dissipation. Power indicator light confirms operation. [Wide Compatibility] Includes 1m optical cable for long-distance transmission. Compatible with PS4, satellite receivers, Blu-ray players, UHD TVs, DVD players, sound bars, amplifiers, and other devices with optical or coaxial digital audio interfaces. 5V 1A adapter recommended (not included). Color: Black Material: Metal (housing), plastic (components) Size: 6 x 4.8 x 2 cm Package Contents: 1 x Converter 1 x USB cable Note: Light shooting and different displays may cause the color of the item in the picture to vary slightly from the actual product. Measurement may vary by +/- 1-3 cm.