Features : Product expansion 1USB 3.0 +3* USB2.0 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. Material: aluminum-magnesium alloy Product Cable length: about 17cm Package : 1 x type c/USB to 1*USB 3.0 +3* USB2.0 hub