Flat, wireless keyboard including cursor and number pad Whisper keystroke keys with wear-resistant laser key legends Up to 10 million keystrokes 4 hotkeys (calculator, e-mail, browser, sleep mode) Plug & Play via USB connection 3-button mouse, for both left-handed and right-handed operation Optical sensor technology (1,200 dpi) Battery status display in keyboard and mouse Almost interference-free wireless 2.4 GHz technology (range of up to 10 metres) Nano USB receiver GS approval Best price/performance ratio for office usersCHERRY DW 3000 is rock-solid CHERRY technology with an excellent price/performance ratio. Modern, flat design with gentle, quiet and durable abrasion-resistant keys. Universal, reliable and optimized for professional use. Keyboard Certification c-tickULCEFCCTÜV-Süd/GSUKCA Frequency band 2.4 - 2.483 GHz Fingerprint reader No Purpose Universal USB hub No Number of hot keys 4 Hot keys Yes Windows keys Yes Keyboard keys operating life 10 million characters Keyboard numb