Micro USB Port Zach March 07, 2020 03:16 Follow The "Micro USB Port" is only used for charging your BenjiLock. It cannot be used to download data from your lock. Related articles Confident Can I travel internationally with my TSA Luggage Lock? Can I do a Master Reset without the Master User? Programming Additional Users/Fingerprints (VIDEO) How many users/fingerprints can BenjiLock TSA store?