FYEO Encrypted Copy Protection USB Flash Drive Partition Edition 16GB USB 2.0 Anti Copy Anti Spy Anti Trojan Key Chain Ultra-Thin Metal USB Stick Pen Drive with AES 256-Bit Crypto (Blue) World FIRST Anti-Copy protection USB Flash drive. Protection allows files to be viewed only, but not copied and pasted, deleted, printed, formatted, saved. Max security for your work sheets, data and important documents. Data encryption- When setting reading password, the file can only be viewed after input the reading password. All files loaded to copy protection USB flash drive are encrypted automatically to ensure your data with high privacy and won't steal by others. Copy protection USB Flash drive security include more features such as time expiration of files, usage times restriction, file folder hidden and PC number limit, ensure your folder in the highest level protection. Copy protection partition occupied 30% or so of whole storage capacity. The rest storage capacity is for ordinary partition. Easy to use, Plug and Play, no need to install extra software or driver. Backed by a five-year warranty, free technical support.