HDMI: (High-Definition Multimedia Interface) is a proprietary audio/video interface for transferring uncompressed video data and compressed or uncompressed digital audio data from an HDMI-compliant source device. It delivers a crisp picture and high quality sound.
USB: USB port allows one to plug in a hard drive, flash drive, or other USB storage device to view media files on one’s television, can also be used to plug wireless adaptors etc.
Composite Video and Audio Input (RCA): Input that transmits analog and carries standard definition video, and the even higher-quality component video and Audio.
VGA Input: A video graphics array connector makes the panel versatile and allows the user to connect other devices such as laptops and computers etc. and use the panel as a monitor.
Earphone Jack: Allows the user to be able to connect wired or wireless earphone devices in order to listen privately.