This is not only an external wireless mouse but also a mouse jiggler that help to keep your computer alive. Pressthe mouse jiggler key to enter or exit the jiggler feature Advanced 2.4G wireless connection, plug and play, no drivers needed, easy to use. Easy to carry, sleek and compact design is great for traveling. 3 adjustable DPI (800/1200/1600) To bring you a quiet experience, we have reduced the clicking and scrolling noise up to 90%, so you can focus on your work while enjoying the same click feel..syi