Attributes . Keyboard: 18.03 x 6.69 x 0.78" (458 x 170 x 20mm) ; Mouse: 4.2 x 2.4 x 1.4" (109 x 62 x 37mm) ; Receiver: 0.7 x 0.51 x 0.19" (18 x 13 x 5mm) . Names