Features: Product expansion 1xUSB 3.0 +2xUSB2.0 +1x TF slot+ 1xSD slot connections USB card reader, U disk, mobile hard disk, read data and easily connect USB, external devices such as mouse, keyboard, gamepad, printer, etc. No driver required, hot swappable, plug and play, positive and negative pluggable. Support system: Windows 2000/2003/ME/XP/Vista/WIN 7/8/10 or Mac OS 8.1 or higher. USB 3.0, 10x faster than USB 2.0, up to 5Gbps transfer rate. Compatible with USB 2.0 and 1.1 specifications. Support overload voltage and inter-current protection function, can protect the connected equipment and HUB itself effectively when suddenly energized. 1.USB 3.0male connector, backward compatible with USB3.0.USB2.0,USB1.1 2.1*USB3.0 standard port, theoretical transmission speed 5Gbps, backward compatible with USB2.0, USB1.1. 3.2*USB2.0 standard port, theoretical transmission speed 5Gbps, backward compatible with USB1.1. 4.1*SD card reader port, 18-20MB/S 5.1*TF card reader port, 18-20MB/S Package: 1 x Type-c Hub or USB Hub