This versatile USB Smart Card Reader is designed for seamless compatibility with CAC ID cards and SIM cards, making it perfect for tax filing and digital ID verification needs. The sleek black device features an anti-slip pad for stability and dedicated slots for both smart cards and SIM cards. It connects easily via USB and works across multiple operating systems including Windows (XP through 10), Mac OS, and various device types from desktop computers to ultrabooks. The reader's compact design and durable construction make it ideal for both office and mobile use. A status LED indicator provides clear visual feedback during operation. The plug-and-play functionality eliminates complex setup processes, while the extended USB cable offers flexible positioning options. Whether you're accessing secure networks, filing taxes electronically, or managing digital credentials, this card reader delivers reliable performance in a professional-grade package.