Actto USB+PS/2 Xceed Scroll full size Optical Mouse White Brand New in retail Box (support : Win98/98se/ME/2000/XP/VISTA/MAC 9.0 Up) Blue LED Optical Scrolling White Mouse with Ergonomic Design / PS/2 and USB Interface speed up to 800 DPI w/ blue LEDs Lights Made in Korea (Quality Assurance) / Color : White