Multiport USB adapter: This USB card reader with SD and MicroSD card slots, 1 USB 3.0 port and 2 USB 2.0 ports. The USB card reader expands a USB-A port on your laptop or desktop computer to 5 ports, enough for daily needs. Little advice: The way to insert SD and micro SD cards is opposite (SD is face up, micro SD is upside down). Super Fast Data Transfer: One Hi-Speed USB 3.0 port for data transfer speeds of up to 5Gbps, 2 USB 2.0 ports for speeds of up to 480Mbps, Compatible with USB keyboards, thumb drives, hard drives, mice, laptops printers and more. It also supports SD/MicroSD/TF cards with data transfer speeds of up to 60MB/s. Wide Applicability: Compatible most cards such as SD, SDXC, SDHC, MMC, RS-MMC, Micro SDXC, Micro SD, Micro SDHC, etc. NOTE: This card reader does not allow simultaneous reading of two cards. Easy to use: Plug and play, no additional driver/software. Simply plug the product's USB port into your computer to automatically read and write the contents of the card. And the indicator will light up after inserting. Compatible with Windows 11/ 10/ 8.1/ 8/ 7/ Vista/ XP, Linux, MacOS, ChromeOS, etc. Small and Portable: USB Hub is small (9.220.98cm) and lightweight, so is easier to carry when traveling or traveling. This USB card reader features a sturdy aluminum housing for durability. The 14cm cable leaves more room for other ports without blocking them.Only one card reader