Brand: Fantech Model No.:  X11 Weight:196g Interface: USB Size:126*68*40mm Connection: Wired Buttons Number: 8 Cable Length: 1.8m Solution: 250-8000 DPI Tracking method: Optical 250-8000 DPI easy to switch Switch Life: 1 Million click life Support software programming, custom easy to play 16 million kinds of RGB equivalent color by your control Ergonomic design, feel comfortable, left and right hand universal 6D button, the use of Omron switch life of up to 100 million times 1.8 meters full copper USB network braided wire, with magnetic ring, anti-interference step in place