1. Material: Aluminum Alloy 2. Input: USB 3.0 3. Output: USB 3.0 x 1, USB 2.0 x 2 4. Transfer rate: USB3.0: 5Gbps, USB2.0: 480Mbps 5. Size: 55 x 25 x 20mm 6. Rated power: 5V/500MA 7. Small and mini, easy to carry 8. Plug and play, no need to install the program driver, easy to use
