Micro USB Port BenjiLock Care Team December 20, 2018 00:44 Updated Follow The "Micro USB Port" is only used for charging your BenjiLock. It cannot be used to download data from your lock. Related articles Fingerprint Sensor Durability What materials are used to make the BenjiLock? What is a "Master User"? Why does the Red light appear when I try to program a new fingerprint? "Master User"