The LINKSKEY 2 PORT Dual KVM Switch Dual Monitor DVI//DVI USB KVM with 7.1 ?MIC/USB is a powerful tool for managing multiple computers with ease. It is compatible with a variety of brands and models, including Dual Monitor and 7.1 Surround Sound Support. The KVM Switch Box features a black color and is manufactured in Taiwan.The Connector A includes USB, DVI, and 3.5 mm Female, while the Connector B is VGA/SVGA D-Sub Female. The KVM Switch Box is powered and comes with a unit quantity of 1. This item is perfect for those who need to manage multiple computers efficiently.