... mouse Support Windows 7/ME/2000/2003/NT/XP/VISTA Color: black, white, green, orange New USB Retractable Wired Optical Mini Mouse ... scrolling wheel;Optics orientation, nice and fast agility keystroke;Wired optical mouse;With retractable cable;Resolution: 1000 dpi;Scanning frequence: 4000 ... fps;Key life: above 5,000,000 times;Support Windows 7/ME/2000/2003/NT/XP/VISTAColor: black, white, green ...