1、Driver Free Installation: The presentation clicker is easy to install, plug and play, no drive required, simple operation and convenient to use. 2、Ergonomic Design: It has an ergonomic design, a comfortable grip, and a matte texture treatment process that is not easy to leave marks. 3、Long Standby Time: This presentation clicker is charged with lithium battery and has a long standby time. It can stand by for 90 days on a single charge. 4、Sensitive Buttons: The buttons are sensitive, and the push type physical button has a raised design, which can be operated freely without looking down. 5、Low Radiation: The radiation is small, and the laser can be measured immediately, which meets the national testing standards.