This USB 3.0 card reader easily expands SD and TF slot on your computer for card reading and writing at super speed up to 5Gbps. It could read and write on two cards simultaneously to keep you away from the hassle of constant unplugging and re-plugging. This card reader is widely compatible with PC, Computer, Laptop, TV, Vehicle, PS4, Xbox One with USB A ports.Input: USB 3.0 A Male Output: TF/SD 3.0 Card Slot Support memory cards for simultaneous use 512G measured, theoretical support 2TB Memory card transfer speed:95MB/S ABS Case Plug&Play Product Size: L66*W20*H11.5mm