We have all used cheap flash drives in the past to move all files. Most of them are not designed to protect your data if lost. The SecureUSB BT Encrypted Flash Drive addresses that problem. It lets you wipe your data from your mobile phone when your drive is lost. It supports Touch ID and Face ID authentication.
This FIPS 140-2 Level 3 flash drive is preloaded with an antivirus to keep harmful files from being saved on it. It is IP57 water and dust resistant. This 256-bit encrypted flash drive has read only mode with timeout auto-lock function. When you step away 10′ from your phone for longer than 5 seconds, your flash drive is locked automatically.[where to get it]