Perixx PERIDUO-712, Wireless Mini Keyboard and Mouse Combo - Nano Receiver - Black Wireless 2.4G technology with up to 30 ft (10 M) operating range Mini Dimension, keyboard: 11.46"X5.43"X0.79" (291x138x20mm) - mouse: 4.06"X2.44"X1.30" (103x62x33mm) USB nano receiver with storage compartment inside the mouse 13 multimedia hot keys Bundled with 1000Dpi wireless Optical mouse