1. Brand new and high quality
2. Fully USB 3.0 x 4 Ports
3. USB 3.0 Superspeed transfer rate up to 5Gbps
4. 1 Port supports the BC 1.2 charging with 1.5A output
5. Support charging iPad/ iPhone or smart devices
6. Your smartphone,Tablet or smart device can stand on this Rack
7. USB Bus-Powered or Self-Powered
8. Backwards compatible with USB 2.0/1.1/1.0
9. Plug and Play, Hot-swappable, no need Driver
10. Support overcurrent protection
11. Support Windows 2000/ XP/ VISTA/ Win7/ Win8/ Win8.1/ Win 10/ MAC