Flat, wireless keyboard incl. arrow keys and numeric keypad Up to 10 million keystrokes 4 hotkeys (calculator, e-mail, browser, sleep mode) Plug-and-play USB connection Ambidextrous 3-button mouse Battery status indicator on keyboard and mouse Interference-free, wireless 2.4 GHz technology with a range of up to 10 m Operation of several desktops (multi-station capability) Nano USB receiver Receiver dimensions: 16 x 11 x 3 mm Products purchased after 01/04/201ß get an extended warranty of 3 years.