Our three button retractable mobile optical mouse was designed with the road warrior in mind. This mobile design was finished with a black rubberized feel, providing hours of comfort and productivity on the road. Our retractable design allows you to expand and contract the mouse cord for the ultimate in mobile solutions. Optical sensing technology scans the desktop at up to 1,500 frames per second, providing one of the most accurate input devices available on the market today. Black with silver accents. USB connector. Lifetime limited warranty.