The MHL Micro USB male to HDMI female adapter is ideal for connecting your TCL A30 to an HDMI TV using your HDMI cable. This adapter transmits both audio and video. The adapter easily connects to the USB 2.0 Micro-B port of your TCL A30 while it connects to the HDMI port of an HDTV or an HDMI home theater system via a HDMI cable.