Digiplex Color Focus 5D Adjustable 2400 DPI Wired USB Optical Gaming Mouse Black Size:115*60.5*35.5mm/4.5*2.4*1.4 Inches New Wired Silent Noiseless Gaming Mouse, PC Laptop Professional USB Wireless Mouse Windows 98/2000/XP/9X/ME/NT4.0, windows vista, Windows 7 Plug and play installations High-tech computer device accessory manufacturer Dispatch within 3 days,normally takes 7-20 working days to arrive at you,excluding bad weather & festival delays.