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. Supported systems: Windows 95/98/ME/2000/XP/Windows 7/Windows 8/Windows 10/Mac OS 8
8. Small and mini, easy to carry
9. Plug and play, no need to install the program driver, easy to use