This LED TV has more interesting features. HDMI 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. MHL enables users to connect mobile devices to televisions and mirror the media and display videos, games, photos and more on a big screen. 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. Input that transmits analog and carries standard definition video, and the even higher-quality component video and Audio. 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. All Sinotec panels are covered by our comprehensive 5 years warranty, giving peace of mind to the end user.