ProHT 2.4Ghz Wireless Optical Mouse/Keyboard Combo (70119), 104 keys Keyboard & Optical Mouse for PC Laptop Desktop, Windows 7/8 / 10 / XP/VISTA, 2-in-1 USB Receiver, Black USB receiver located on the underside of the mouse Wireless keyboard operates on 2.4GHz frequency and working-distance of up to 10m Stand-profile style keys allow for comfortable, quiet typing Spill-resistant design protects your keyboard from damage Contemporary and professional sleek, black design Includes optical wireless mouse Requires an available USB port