new combo 3 sd tf 2.0 micro usb general lapmemory card reader

new combo 3 usb 2.0 new sd tf usb 2.0 microusb universal smart card reader is a memory card reader designed for macbook notebook computers. the reader can only read one card at the same time, such as inserting sd card, but not the same t. if you find any mistakes, please feel to comment although the center can run at the same time, it is not affected by each other; this hub usb can run a mobile hard disk and a tb, which has both hb 2.0 functions and multiple card readers, and the quality o