Wireless Hygiene Mini Notebook Style Keyboard Sealed USB, White. The AK-C4110 is a high quality, highly reliable notebook style PC keyboard. The purification and disinfection capacity makes it a perfect fit in hospitals and at practitioners, microbiological laboratories as well as industrial environments. The silicone key membrane protects the key field against ingress of dirt and fluids. The AK-C4110 impresses with precise key actuation and accurate key guidance. The AK-C4110 is highly recommendable for heavy duty type writing in dirt and hygiene critical operations.