While you might only use your HDMI port to connect audio and video devices, it can do a lot more. Here are some gadgets that leverage the port in unique ways.

HDMI looks simple from the outside. One plug. One port. A promise that video and audio will “just work.” In real life, HDMI choices affect picture quality, refresh rate, gaming features, cable routing ...

HDMI is the universal standard for displays, but sometimes a cable isn't what you need. This Belkin device promises wireless connections to any display.

Wireless HDMI promises a living room without cables, a gaming setup that can move across the room, and projectors that do not need a cord snaking through the audience. The reality is more complicated, ...