This is a USB 3.0 to SD+TF card reader, USB 3.0 maximum speed of 5Gbps, memory card for SD3.0 and TF3.0 standards,  The product is suitable for Windows/Mac OS/ Linux system computers (such as Apple, Huawei, Xiaomi notebook computers and desktop computers, etc.), the product shell design is small and delicate, portable as the goal, at the same time to facilitate the user to identify the hard disk with a dual card single read scheme, no cable design highlights to increase the market competitiveness.