Wireless Keyboard and Mouse set Black
Keyboard size: 442 x 151 x 24 mm
Mouse size: 108 x 61mm x 38 mm
DPI sensor: 800-1600 dpi
Battery: 1 x AA , 1 x AAA
Range: Up to 12 meters
Operating system: Windows 10/8/7/VISTA/XP/ME/98
Number of keys: 105
(Model may vary slightly to that shown)