The USB 6 Channels 5.1 Audio External Optical Sound-Card Adapter is a compact and efficient device designed for notebook PCs. Made of durable acrylonitrile butadiene material in a sleek blue color, this sound-card adapter is manufactured in China. With dimensions of 80 x 60 x 20mm, it provides easy connectivity for enhanced audio capabilities on your laptop or desktop computer. Perfect for improving your sound experience, this external optical sound-card adapter is a practical and reliable accessory for any computing setup.