Long life with life span of 10 million times. Special soft feel keys Water resistant design Extra comfort with Big Enter & Space Bar key Sealed membrane sheet for greater reliability Compact size for space saving 10 Multimedia hot keys, 86 keys mini shaped keyboard Laser printed keys, never fade, water proof designed Key Pressure:55g,comfortable feeling, effectively Reducing typing stress, release the arm muscle strain Noiseless design for undisturbed working environment Suitable port: USB Standard is USB Life-span of Operation:10,000,000times Compatible with windows 98/2000/ME/NT/XP/Vista/Linux/Window 7MS Windows 98SE/Me/ 2000/Windows XP, Windows Vista or Windows 7 or Windows 8
