Product name: mouse Lighting mode: marquee Interface: USB2.0 Number of keys: 4 keys Line length 1.35m Size 115*64*38mm Button life: ???8 million times Three-speed DPI: 800-1200 1600dpi Rated voltage/current: 5V--100mA System Requirements: Windows XP/Vista/7/8/10/OSX Ergonomics: Support