The AKB-901 features laptop styled keys, connects via USB or PS/2 and will fit almost anywhere your PC adventures take you. Take pleasure in immense comfort whether you are working or playing. An unbeatable selection for overall worth, with sleek styling that will look grand on your desk. 88 keys mini keyboard design Embedded numeric keypad 12 function keys LED lights for Num Lock, Scroll Lock, and Caps Lock High quality membrane keys with laptop feel Includes a USB to PS/2 adaptor for flexible inputSpecifications Compatibility: IBM AT, PS/2 or USB Key layout: 88/89 keys Peak force: 50 10 gm Operating temperature: 0 to 55oC Storage temperature: -20 to 65oC Operating humidity: 10% to 95% RH Switch life: 5 million life cycles Electronic data: +5VDC 5% 250mA Dimension: 13.3"(L) x 6.8"(W) x 0.9"(H) Weight: 1.5 lbs