Easily connection your USB laptop, computer, or gaming consoles to the S/PDIF sound systems. Enjoy surround sound music, and immersive experience sound signals with more stable transmission, clear transmission of rejecting electric and noise, and enabling immersive music experience, No external power supply is required. Suitable for multiple devices, please identify each interfaces before connecting devices. Experiencing sound effects like immersive environment, immersive gaming enjoyment, igniting gaming competition sound field. Faster heat dissipation durability and wear-, not afraid of scratches and wear, protecting the inner cores. Colour:Black Material:PVC+Aluminum Alloy Size:About 3 meters long Package Contents: 1 x USB to Optical Audio Adapter Only 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.