This item is a USB 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 - Brand: - Application: Desktop, Laptop - Hand Orientation: Right - Interface Type: USB - Model Number: T-60 - Number of buttons: 7 - Number of rollers: 1 - Tracking Method: Optical - Optical 7 Button Optical USB Gaming Mouse 7200 DPI Adjustable Professional with Colorful Backlight - Quick Thumb function (Back and Forward button): or back while browsing the web, forward or backward under the same folder window. press the forward button for more than 2 seconds, into seven monochrome circulatory lighting, a seven-circulatory colors, the default light is seven circulatory colors - Gear six DPI: 800 DPI 1600 DPI -Green 2400 DPI-3200 DPI 5400 DPI-7200 DPI Viola. Press the button for 2 seconds to DPI, and press again for 2 seconds to open continuation of the color cycle - Key : click once is equal to three times the of the left button click, the default is 3 blast. press button for 3 seconds and the light will 2 times, then burst - Game High Response : response represents the data rates between the mouse and the computer, a higher response in contests can play better mouse performance and allows the mouse to be and no jump during the fierce game, which is more realistic for players Package list: 1 x Gaming Mouse