Wireless Optical Mouse with Adjustable DPI Up to 1600 and 2.4GHz Connection.Stay productive wherever the day takes you without wires to tie you down. The HP Wireless Mouse X200 is designed for ultimate comfort control and consistency, this wireless mouse is the perfect companion for everything you need to do..Work and play without lag or interruptions thanks to a reliable wireless connection. This mouse is designed to keep up with you and your life with a battery that lasts up to 18 months. When your batteries are running low, you’ll know with a built-in indicator light..Work where you want on a variety of surfaces, thanks to a precise optical sensor with great resolution. Speed up or slow down tracking with adjustable DPI settings (800/1200/1600)..Whether you’re right or left-handed, this mouse is designed to accommodate anyone. Crafted to fit naturally and perfectly in the palm of your hand with a contoured design. Rest easy with an HP standard one-year limited warranty.