The Adesso AKB-270UW Antimicrobial Waterproof Silicone Touchpad Keyboard is designed for high traffic applications. The keyboard is easily cleaned with soap and water. It is made with antimicrobial material that protects against germ buildups between washings. The keyboard has a USB interface that easily connects without having to install specific drivers. Aside from these incredibly practical and hygienic features, the keyboard is made for smooth and quiet performance.Keyboard/Keypad Keyswitch Technology - Membrane Keyboard/Keypad Connectivity Technology - Cable Number of Keys - 104 Keyboard/Keypad Features - Waterproof Keys Layout - QWERTY Localization - English (US) Pointing Device Pointing Device Type - TouchPad Interfaces/Ports Keyboard/Keypad Host Interface - USB