Philips SPK9403B Wired Gaming Mouse About this item Adjustable DPI up to 4000 DPI for fine movements Return rate (Polling rate): 500 Hz Up to 6000 FPS refresh rate for quick action Brand Name Philips Color Black Connectivity Technology USB Special Features LED Lights Movement Detection Optical Button Quantity 7 Hand Orientation Right Recommended Uses For Product Gaming Item Weight 0.5 Grams Operating System Linux, Windows XP, Windows 7