The LogiLink CP3032U is a high-speed USB 3.0 card reader that supports multiple card formats, including SD, CF, MS and MMC. It features a USB 3.0 port, allowing for data transfer speeds up to 5 Gbps, making it ideal for quickly accessing photos, music, or other data stored on memory cards. The CP3032U also includes a LED indicator to confirm that the connection between the card reader and the computer is correctly established. It supports hot swapping, meaning no external power supply is required for the card reader, so you save time by not having to wait for the power to be connected to your device. The LogiLink CP3032U is compatible with Windows and Mac operating systems, making it the perfect choice for anyone using either of these operating systems.