The Sewell USB Sound Box, X0009HI791, is a digital-analog converter that allows for 7.1 capable connections through USB connectivity. With a sleek black design, this unit from China is perfect for enhancing your audio experience with its S/PDIF outputs. The Sewell brand ensures quality and reliability, making it a great addition to your media streaming setup. The manufacturer warranty, although none, signifies the longevity and support for this product.