null. With the Renkforce external graphics card, add two HDMI ports to your PC/Mac via USB-A or USB-C port. The device is equipped with a combined socket that makes available USB-C or USB-A. Thus, it is possible to use two external monitors separately on a MacBook Air with M2 chip and the MacBook's own monitor. You can adjust the resolution of the monitors as well as their position on your worktable from your computer. The mouse can be moved beyond the edge of the screen on the next monitor, as well as windows or applications. This USB to HDMI adapter is actually a standalone external graphics card with an SM768 graphics processor and low power consumption of only 2 watts. Thanks to external graphics processing, the computer and its own graphics card and processor are very low on demand, which helps maintain system productivity.