The Dell KM555 Silent Compact Wireless Keyboard Mouse Combo in black features a QWERTY layout and is made of plastic. It offers Bluetooth, and Wireless USB connectivity options, with a maximum DPI of 4000. The compact unit includes features such as multimedia integration, programmable one-touch buttons, and quiet keys for a comfortable and discreet typing experience. With its sleek design and reliable performance, this keyboard mouse combo is ideal for everyday use in various computing environments.