a compact converter that combines a VGA video signal and 3.5 mm stereo audio into a single HDMI output. Designed for seamless integration between older source devices and modern displays, this unit offers a practical solution for connecting legacy PCs, laptops, or other VGA-equipped devices to HDMI monitors or TVs. It is powered via an included USB cable, eliminating the need for bulky external adapters. With its simple plug-and-play design, the CS‑VGAHDM ensures a clean and reliable audio/video signal conversion for a wide range of applications.