You just need one wireless nano receiver to connect both keyboard and mouse. Color: Black Compatibility: Available USB port Compatible operating systems: Windows 8; Windows 10 Minimum system requirements: Available USB port Dimensions (W X D X H): Keyboard: 18.31 x 6.89 x 1.42 in; Mouse: 3.75 x 2.29 x 1.42 in Weight: Keyboard: 1.12 lb; Mouse: 0.12 lb