The Type-C USB 3. 1 Gen 1 hub with card reader has been specifically designed for laptops, tablets and Ultrabook's. It features with expanding 3 USB ports, reading SD, TF, mms, M2 card. Mufti-functional and quite compact device, It is your perfect companion for office, home table Use and also traveling. Expand USB ports on your PC or MacBook the USB 3. 0 hub helps expanding the USB port of PC from 1 to 3, greatly protect the USB port from frequently plug and unplug. With a 6. 0 inch Cable, easily connect up to 3 USB devices to your computer, egg external hard drives, USB sticks, mouse, keyboard, USB headset, etc. Multi-function high speed card reader it features with SD and micros/TF card slots, which makes reading different types of memory cards conveniently. support cards: ds slot: SDSC/ SDHC/ SD/ extreme III SD/ Ultra II SD/ mmc ft. slot: micro SDXC/ micro SDHC/ micro SD