ergonomic design, comfortable for long-time useadopt high-precision game ic, ensuring excellent performance and high speed1200-1600-2400-3200dpi freely switchableauto-change colorful led light enables great visual effect when playing gamesanti-skid 3d roller with damping, durable to useusb wired connection, plug and play, easy and convenient1.5m braided cable, high-tensile and durablespecifications:model: k1013interface: usb2.0connection: wiredbutton: roller x 1, main button x 2, dpi x 1, side button x 2dpi mode: 1200dp-1600dpi-2400dpi-3200dpiscanning speed: 1500 ~ 3000/sresponse time: 3slifespan: 10,000,000 timessystem support: windows 98/2000/xp, win7/8, linuxmaterial: abs + pccable length: 1.5mpackage includes:1x k1013 6-key usb wired gaming mouse