USB 3.0 flash drives offer faster data transfer speeds than USB 2.0, making them better suited for working with large files. They are also backward compatible with USB 2.0 ports, but will operate at slower speeds.
To extend the life of your USB flash drive, avoid physical damage and do not remove it while files are being transferred. Also, periodically scan it for viruses and make sure to safely disconnect it from your computer.
Storing sensitive information on a USB flash drive can be risky if it is not secured. Use encryption and passwords to protect your data from unwanted access.