Mouse - wireless, optical, 3 buttons, USB and wireless USB receiver, symmetrical , black Logitech Wireless Mouse M171 Black for your laptop. Not filled in Alternative text to the photo! SO MUCH BETTER THAN A touchpad                The sleek Logitech M171 wireless mouse is great if you do a lot of work on the go. If your tendons ache from using a touchpad, you will be delighted with the superior control and far greater comfort that the M171 offers. 2.4GHZ                    Reliable wireless operation. DURABLE CONSTRUCTION                    Logitech is happy to give you a 36-month warranty....