Mouse - wired, optical, 800DPI, 3 buttons, USB, symmetrical , white The Logitech B100 Optical Mouse offers simple connectivity, quality and precision, making it an ideal solution for office and home PCs. Of course, laptop support is also a matter of course. The minimalist design radiates natural elegance. Symmetrical design ensures comfortable grip for the right and left hand..With a high 800 DPI sensitivity, the cursor moves smoothly exactly where you expect - whether you're working on documents or on a website. The optical sensor (except very glossy surfaces) does not require a pad. Simply connect the mouse to the USB port and it's ready for use.