Left-handed or right, you can work comfortably all day long with the comfortable, ambidextrous Logitech B100 optical USB mouse. You're in control with smooth, responsive optical tracking that moves the cursor just where you want it. This plug & play mouse is simple to set up. Straight out of the box, you just plug it in to your USB & get back to business. Connector / Port / Interface: USB 2.0; Left / Right Hand Use: Left / Right; Mouse Technology: Optical; Wired / Wireless: Wired.