Features: USB2.0: Data transmission through the card slot or micro USB interface quickly add the USB data ports to your computer and cell phone with OTG function. High Efficiency: It leverages USB 2.0 technology which you can speed read almost any memory card quickly and easily. Universal: Equipped with 1/2 memory card slots for SD and TF card. Supports USB 1.1 downward. Convenient: Quickly transfer files and read the files of the memory card through the mobile phone or tablet. Portable: Compact and universal perfect to carry around. An excellent choice for data reading. Perfect for anyone! Notice: Actual color may be slightly different from the image due to different display and light effect. Please allow 1-3cm deviation due to manual measurement. Do not unplug during data transfer. Description: Material: ABS 2-in-1 Model Size: 64*18*9mm 3-in-1 Model Size: 75*26*9mm Color/Style: As the picture shown includes: 1 x Card Reader(only) "