No specific info about version 2.1. Please visit the main page of USB宝盒 on Software Informer.
Block threats that can damage your PC or compromise your personal information.
Encrypt USB flash drives using 256-bit AES password protection.
Data in a USB Flash Drive is protected by a password.Useful Security Tool.
USB protocol capturing,decoding,displaying,filtering, error detecting and more.
USB Lock Down is a tiny tool to prevent users from writing to USB devices.
USB System Lock (USL) is the solution to lock your system by a USB drive.