What is the USB port on SHIELD Portable used for? Updated 01/23/2017 03:19 PM What is the USB port on SHIELD Portable used for? The micro-USB port is used for both power and data. Is this answer helpful? Yes No Previously Viewed Answers The New SHIELD TV Does Not Have a Micro-USB Port. How Do I Connect My Computer to SHIELD via USB What is the USB port on Tegra NOTE for? What USB devices are supported with SHIELD Portable ? What is the USB port on SHIELD Tablet for? What other functions does the SHIELD Portable controller support? Live Chat Chat online with one of our support agents CHAT NOW ASK US A QUESTION Contact Support for assistance Click here