USB 3.0 HUB & Card Reader Combo Adapter: Turn one of your computer's USB ports into three (2 x USB3.0 + micro USB), and offer 3 card slots (SD + 2TF) for files transfer between memory cards and your Surface Pro tablets.
Muti USB Ports for Different Needs: 2-Port USB 3.0 can meet the needs for using USB peripherals like USB sticks, keyboard and mouse, etc., and also it can protect the USB port of your computer from damage due to frequent plugging and unplugging.
5Gbps Fast Speed: The data transfer rates of the data Hub can be up to 5Gbps, 10 x times faster than USB 2.0 (480 Mbps), which makes you to transfer HD movies, files in seconds. Backward compatible with USB 2.0 or 1.1.
Wide Range of Card Compatibility: The USB card reader features 3 card slots for transferring music, videos, pictures or files from cards. Support SDXC, SDHC, SD, MMC, RS-MMC, TF, Micro SDXC, Micro SD, Micro SDHC, Mini SD, UHS-I cards up to 128GB.
Plug and Play & Hot Swapping: No driver installation is required. The USB Hub also comes with the Micro USB port to get powered when connecting power-hungry devices such as external hard drives. Note: Not charging for surface pro while connect the USB 3.0. Matches excellently with your Microsoft Surface Pro 2017/ Pro 4/ Pro 3(12.3').