HDMI cable is lead that allows you to convert regular showing to a better quality for both sound and video (picture quality). It is perfect for people who don’t have a HD tv as you only need a HDMI socket to plug it in and connect it to whatever device you need. Just check the back of your tv for this type of socket pictured below. It is perfect for xbox’s,tv and laptops. Just plug the HDMI wire into your HDMI port.