PPTR2100 is a multi-platform pen mouse receiver software, compatible with Android, Windows, and Mac OS platforms. The software is also compatible with the PPT 2100 series smart presentation remote, PPT 2200 series smart whiteboard pen, and PMS2400 series smart screen projection mouse. This software can also be integrated into the ARS series and WRS series screen projection software, thereby realizing a combination of screen projection and indication interaction, providing users with a more novel and unique usage experience and operation convenience. The core functions of the software include searchlight, magnifying glass, digital laser, and annotation. When used with the PMS2400 series smart screen projection mouse, it also includes the screenshot and desktop return functions, especially one-button screen projection function, which is quite innovative