• The UGREEN USB 3.0 card reader allows for simultaneous reading and writing on 4 cards, avoiding repeated connections and disconnections and improving efficiency. • Supports up to 512 GB capacity, double that of other conventional card readers. • The UGREEN USB card reader supports multiple memory cards such as SD, SDXC, SDHC, Micro SD (TF), Micro SDXC, Micro SDHC, CFI (Compact Flash), CF3.0/4.0, Extreme III CF, MS, MS PRO, MS PRO-HG, MS XC DUO, etc. • The UGREEN card reader offers data transfer speeds of up to 5 Gbps, 10 times faster than USB 2.0 (480 Mbps). • This USB 3.0 card reader allows for transferring 1 GB files in seconds. • It is backwards compatible with USB 2.0 and USB 1.1, making it faster and more stable. • SD card reader without the need to install drivers, more convenient to use. • Additionally, the UGREEN USB 3.0 card reader not only supports data transmission between cards and PCs/laptops, but also between various cards. • Compatible with Windows 11/10/8.1/8/7/Vista/XP, Linux, macOS, etc. Its compact size makes it easy to carry while traveling.