This passive micro usb to hdmi mhl cable is the easy way to enjoy content from your mhl enabled smartphone or tablet on the big screen what is mhl mhl is mobile high definition link technology by linking your mhl device a smartphone for example to a big screen tv you can view your phones content on the larger display this allows you to watch movies you have downloaded as well as to share videos and photos with family and friends one of the coolest benefits of mhl tec