The Astrotek USB Card Reader (model AT-VCR-339) is a compact and reliable external memory card reader designed for seamless data transfer. It supports a wide range of popular memory card types including SD, SDHC, MMC, RS-MMC, and also reads microSD cards with an adapter (adapter not included). Utilizing a USB 2.0 interface with backward compatibility to USB 1.1, this device offers efficient plug-and-play operation without the need for extra drivers on supported Windows platforms. An integrated LED status indicator provides clear feedback on connection and activity, making it easy to monitor file transfers. Designed in a miniature form factor with a blue casing, it is ideal for photographers, videographers, and everyday users who need a simple, low-cost solution to read and write data across various removable memory cards. The Astrotek card reader is compatible with legacy Windows systems from Windows 98 through Vista, making it versatile for use with older hardware. Whether transferring photos, videos, or documents, this device delivers a straightforward and dependable experience with a max theoretical data transfer speed up to 480 Mbps.