With the Xtrfy M4 Wireless Gaming Mouse, you can game comfortably in your own style. This wireless gaming moue has a Pixart 3370 optical sensor with an adjustable DPI up to 19,000. You'll never miss a target. You can adjust the balance of the mouse by sliding the battery a bit more to the front or to the back. This is very useful for a light mouse of 71g. Is the gaming mouse too small? With extra replaceable parts, you can adjust the size of the moue so you'll have perfect grip. Change the colors, brightness, and effects of the RGB lighting without extra software. With a push of the button, you can make your mouse shine anyway you want and also adjust the settings of the mouse such as Polling Rate and CPI. This mouse has a 75-hour battery life, so you can easily have a LAN marathon with your friends.