?attention should be paid to?The first time you use this USB flash drive you need to download an APP with the name i-Encrypted with your iPhone to use it properly. Because you need to set up fingerprints and passwords on the app for the first time, do not buy it if you don't have an iPhone or friends or relatives who use iPhones. ?Real Memory?This flash drive is 100% real memory. ?Three-in-one interface applicable?This flash drive comes with three of the most common ports: Lightning, Type-c, and USB. Suitable for use with Android/iPhone/iPad/iPadmini/PC. ?With password unlock function?:Since this USB flash drive has a fingerprint unlock function, and your fingerprint can sometimes fail temporarily, this finger drive also has a password unlock function. When your fingerprint is invalid, you can use the password unlock to use this USB flash drive and reset your fingerprint. (I hope you must remember the password because it is especially important.). ?Fingerprint unlock function?:This USB flash drive comes with a fingerprint unlock function to better protect your privacy. Even if you accidentally lose it, you are not afraid of others seeing your information. You can only set one administrator password, add up to 64 fingerprint users, and enter or delete fingerprints at any time. The password and fingerprints are set by the users themselves and cannot be accessed by others. (If the password and fingerprint are lost at the same time, the USB flash drive will not be unlocked and the data cannot be retrieved! Remember the password and enter several different fingerprints at the same time).