Features: and USB2.0 interface, 180 degrees rotary design for Laptop. 4 ports USB hub: with 2 USB2.0 interfaces, 1 SD Card Slot, 1 TF card Slot. Does not require any software or complicated installation process. The slim rotatable design saves you valuable desktop space. System supports for Windows XP or Vista or 8.1 or 7 or 8, for Macbooks Designed especially for laptops, tablets, and ultrabooks and expands one USB 2.0 high-speed port into two easily. SD and TF card slots, which makes reading different types of memory cards very convenient, and the use of USB 2.0 allows for the fast reading of large media files. Specifications: Input interface:USB2.0 Interface Output interface: 2-port USB 2.0 and TF ReaderandSD card reader Backward for USB 1.0 or 2.0 or 1.2 The data transmission rate can reach USB 2.0: 480 Mbps Fully compliant with USB 2.0 specification. Size: approx 5.5x4.5x2cm or 2.16x1.77x0.79in Material:ABS Color: Black Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1 PC x USB Hub Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.