Our Waterproof Antimicrobial Mouse with Magnetic Scroll Wheel is the ideal pointing device for the industrial, medical & maritime industries because it is 100 percent waterproof & offers unique washing capabilities to help eliminate germs & bacteria. The mouse also provides a unique scroll wheel design with four internal built-in magnets to prevent open spaces & add air-tight gaps which prevent any moisture or liquids accidentally getting inside the mouse. Connector / Port / Interface: USB 2.0; Left / Right Hand Use: Left / Right; Mouse Technology: Optical; Wired / Wireless: Wired.