KEYBOARD PLATINET KEYBOARD K110 US BLACK is a wired keyboard designed for office work as well as study at school and at home. Its flat stroke and ergonomic keys ensure quiet and comfortable work in long hours. The keyboard is made of high-quality material, which makes the keyboard durable and solid. The K110 keyboard is an indispensable addition to a student's room or a businessman's home office. Specification: Compatibility : Windows 98 and higher, Linux Number of keys: 104 Dimensions : 449.2*192.4*22 mm Weight: 598g Material : ABS Interface: USB Drawing force: ?0.8kgf Spring back; 50±20gf Key life: 8 million Times Key total stroke: 2.2mm±0.5 mm Cable Length (outer part) : 1,2m Cable Diameter 2,8mm Material PVC Working voltage: DC+5V Working Current: <50mA Working temperature: 5-50? Working humidity : 10%~90% RH 25?