Design is unique: Be designed that meticulously by design well-known master, the unique special field exterior new and original designs , the clear , upright generous edge example, accords with the ergonomics request. Handle is extremely nice: Three section of dyadic button route or distance of travel design the keyboard only , adopt the high-quality dyadic contact of film , strike key are silent , button handle is extremely nice. High technology accessory: Core PCB board adopt the advanced COM technology , brings up keyboard superiority being able to ensure the keyboard stability at the same time ,the key cap adds the have germifuga , in keeping with health and environmental protection request. Life time: Structure is sturdy and durable , adopt high-quality silica gel, the button amounts to 10 million time tunk life-span. Interface: USB. Button route or distance of travel: 4.0?.3 millimeter completely compatible operating system and so on IBM.PC as well as DOS.WINDOWS.UNIX. Key number: Digital keyboard 19.