Kshion Fashion New Arrival 2.4GHz Wireless 7D Rechargeable 2400DPI 7 Buttons Optical Usb Gaming Mouse Cool Magic Hawk Style. New Version: High Resolution: 2400DPI ustomize DPI Switch: 1000/1600/2400dpi. True 2400DPI Pro-Gmaing Sensor Compatible with Windows XP, Vista, Windows 7, ME,2000 and Mac OS...or lates