Technical Details of the Dell KM3322W Wireless Keyboard and Mouse General Device Type: Wireless Receiver: USB Wireless Receiver Interface: 2.4 GHz Keyboard and Mouse Set Weight and Dimensions (WxDxH): 17.5 in x 4.8 in x 1 in (17.5 oz) Keyboard Mouse: 2 ounces, 2.3 inches by 4.1 inches by 1.5 inches Product Categories: Computer Accessories, Keyboard & Mouse Tag: mouse and keyboard