The ACK-118 BK is a numeric keyboard made with silicone which makes it absolutely dust- and waterproof (IP64). It has an integrated multifunction key for the start of the calculator under Windows and an USB connector with spring-driven cable reels. This keyboard is especially convenient for mobile use as well as for all dirty, moist and respectively hygienic applications whenever only a numeric keyboard is needed. Likes it dirty The ACK-118 BK is a numeric keyboard made of silicone which makes it absolutely dust- and waterproof (IP64). It has an integrated multifunction key for the start of the calculator under Windows and an USB connector with spring-driven cable reels. This keyboard is especially convenient for mobile use as well as for all dirty, moist and respectively hygienic applications whenever only a numeric keyboard is needed. When a numbers make you happy This dust and... German keyboard layout Product type: Keyboard with cable Interface: USB