USB wired connection, stable optical tracking, fast response. Mute design, create a quiet and comfortable environment for you and the people around you. In addition, the mouse is equipped with foot pad and rubber roller made of high-performance materials, which makes it quieter to use. Ergonomic full-size design, the mouse curve fits palm, relieves wrist fatigue, suitable for both left and right hands. Easy operation, just plug the cable into the USB port of the computer, no need to install software, plug and play. Suitable for home and office use, compatible with PC and laptop.