This silicone keyboard is sealed to keep the elements out in acid, alkaline, or dusty environments. Because it's completely washable with soap and water, alcohol and medical disinfectants, it's a great choice for clinical or laboratory environments where sanitary conditions are vital. The flexible keyboard can be rolled up and stored in laptop cases, making it an ideal accessory for notebook computers. Wired/Wireless: Wired; Connector/Port/Interface: PS/2;USB.