Ultra slim and portable design: The wireless Bluetooth wireless portable mouse can be easily stored in your laptop bag or pocket so you have it wherever you need it. Two modes: Bluetooth 5.1 and 2.4 wireless mouse G, provides more convenience for people who use a variety of devices. Automatic connection after switching, support stable connection with working distance up to 10 meters. Sensitivity adjustable: 2.4G wireless transmission technology, it is possible to react and control from the 'personal computer. 800/1200/1600 DPI resolution optical tracking technology provides smooth and precise tracking over a larger area than standard optical mice. Quiet Design: Quiet, optical USB wireless mouse, power saving, economical and eco-friendly, quiet, wonderful to read anytime. During the meeting, in the middle of the night, in a quiet place, such as a library, you can use it without worrying about disturbing others.