. Interface 2.4G wireless RF Range 2402-2480MHz Working distance up to 10 m Keyboard RF Power -1.13dBm Keys 104 (12 multimedia buttons) Dimensions 450 x 140 x 26 mm Weight 0.385 kg Batteries 1 x AA battery (not included) Power consumption up to 20 mA Mouse RF Power -0.66dBm Keys 4 Resolution 800/1200/1600 DPI Dimensions 107 x 62 x 36 mm Weight 54 g, Batteries 1 x AA battery (not included) Power consumption up to 10 mA USB nano receiver Dimensions 18 x 14 x 7 mm Weight 2 g