A portable DVD player with an HDMI output can be a valuable tool for business or educational presentations. HDMI (High-Definition Multimedia Interface) is a digital audio/video interface standard that can send high-definition video and audio signals between devices. An HDMI port on a portable DVD player can allow you to connect the player to a high-definition television or a projector, making the player a handy way to show presentations or videos.

Most portable DVD players with an HDMI output also have a USB port that can be used to play videos, music, and photos from a USB flash drive. This …