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 How many keys does the TSA Luggage Lock come with? Seeing a Red Light appear when trying to open your BenjiLock? Programming the "Master User" (VIDEO) Master Resetting your BenjiLock TSA What kind of batteries does the FAA allow in checked baggage (including gate-checked bags)?