sale hub adapter/ card reader high speed 3.0 transfort and for microsoft with usb 2.0 /1.1 / 1.0 devices

hub adapter/ card reader high speed usb 3.0 transfort and usb 2.0 for microsoft.description:.microsoft surface pro hub adapter was designed to specifically conform to your surface pro 3 and surface pro 4 tablet..the combo adapter enables additional usb 3.0 port and usb 2.0 port seamlessly for all various usb devices..the micro usb input allows for a micro usb power supply to be plugged in for additional power for those heavy powered peripheral devices, such as external hard drives..utilize