Description: To use your PS/2 Keyboard/Mouse on a USB port Also perfect for back-up Specifications: Item: Slim USB 2.0 to PS/2 Adapter Dongle Dimensions: 1.81 in x 1.18 in x 0.51 in Weight: 0.88 oz(25g) Package Included: 1XSlim USB 2.0 to PS/2 Adapter Dongle