Double the Storage, Double the Convenience: With two 4GB USB 2.0 flash drives in one pack, you'll have ample space for all your important files and documents. The black and blue color combination makes it easy to distinguish between the two drives | Reliable Performance: These memory sticks are built to last, featuring a sturdy construction and high-quality materials to ensure reliable performance and durability | Easy to Use: The thumb drives are plug-and-play, allowing for easy use with any computer that has a USB 2.0 port. They are compatible with most operating systems, including Windows (7/8/10/11/Vista/XP/2000/ME/NT), Mac, and Linux | Portable Design: The compact size and lightweight design make these drives easy to carry wherever you go. Each drive comes with a color-matched lanyard, allowing you to attach it to your keychain, bag, or lanyard for added convenience | Perfect for Storage and Backup: Whether you're storing photos, videos, music, or documents, these Wooolken thumb drives offer a reliable and secure way to back up your important data