This item is a USB wired gaming mouse, which snugly fit under your palm, the ergonomic shape of the mouse gives gamers the most comfortable gaming experience ever, especially during the most testing of battles. Features - Color: Black. - Material: Plastic - Size: 13 x 8.6 x 3.9cm press the forward button for more than 2 seconds, switch into seven monochrome circulatory lighting, a seven-circulatory colors, the default light is seven circulatory colors - Gear six DPI: 800 DPI 1600 DPI Orange-Red-Green 2400 DPI-3200 DPI Blue-White 5400 DPI-7200 DPI Viola. Press the button for 2 seconds to turn off the lights DPI, and press again for 2 seconds to open continuation of the current color cycle - Key firepower: click once is equal to three times the firepower of the left button click, the default is 3 blast. press button for 3 seconds and the white fire power light will 2 times, then switch in 2 burst - Game Promotional High Response Rate: response rate represents the data rates between the mouse and the computer, a higher response rate in contests can play better mouse performance and allows the mouse to be zero delay and no jump during the fierce game, which is more realistic for players