For a reliable wired mouse and great everyday performance at an attractive price, the Kensington Mouse-in-a-Box (K72356EU) is the ideal choice. The highly responsive 800 dots-per-inch optical sensor and integrated scrollwheel makes precision clicking and scrolling easier. An ambidextrous grip eases comfort and allows for better control. The wired USB connector means there’s no need to change batteries. It works straight out of the box - just plug it in and go. Optical mouse sensor for better control Scroll wheel with integrated third mouse button for easy browsing Plug & Play USB connection - no setup required Long 180cm USB cable lets you work where it suits you PC and Mac compatible Colour Black/Grey Pack of 1