OSAYDE PRO USB Silver Magnetic Credit Card Reader Writer Encoder +10 Blank Cards High-grade unique portable design, makes it look elegant when put it anywhere. Multifunctions: Read, Write / Rewrite, Erase, Copy, Compare, Write from file, Read to file, Setup and Change Password. System Supports: Windows 98/2000/me/xp/vista7/8/10(32&64) LED lights indicate its working status. Automatically double check function when you're writing data. Safety: Built-in over-voltage, over-current, leakage, short circuit and anti-interference protection module.