Product Name: USB3.0 4-in-1 card reader + USB 3-port HUB Product Function.Transferring to desktop or laptop computer through USB3.0 interface. Data transfer speed is 10 times faster than traditional USB2.0 card reader due to USB3.0 interface for transmission. Support card type: SD/SDHC/SDXC/Extreme SD/SD Ultra/SD Pro/SD Ultra II/SD Elite Pro/Ultra Speed SD/SD Ultra X/Micro SD (TF card)Memory card support: SD/SDHC/SDXC/Mini SD/Micro SD/ Micro SDHC/T-Flash Product Features.Aluminum alloy + ABS materialSmall and cute appearance, fashionable and portable, GG & MM are lovedSupport almost all memory cards / flash cards / data cards, once you have, nothing else to ask for USB3.0 speed transfer speed, so that the sharing of photos or videos can be easily several G no longer botherSupport Windows XP/Vista/Win 7 operating systemUSB3.0 Introduction. The USB interface is well known for providing ample bandwidth for a wide variety of devices and applications. However, with the advent of high-definition video, terabyte (1000GB) class storage devices, gigapixel digital cameras, high-capacity cell phones, and portable media players, higher bandwidth and transfer speeds have become a necessity. USB 3.0 is the latest USB specification, (also known as SuperSpeed USB), which was initiated and developed by major companies such as Intel, Microsoft, NEC, and Texas Instruments. USB 3.0 increases the transfer speed of the existing 2.0 interface by 10 times and is backward compatible with USB 2.0 and USB 1.1 devices. USB 3.0 has a theoretical data transfer rate of 5Gb/S. The theoretical data transfer rate of USB2.0 is 480Mb/s. In today's world where USB has become the essential interface for electronic products, USB2.0 is facing the fate of being eliminated and almost all USB interface devices will be upgraded towards 3.0.System requirements: support for Windows XP/Vista/7 & Mac OS 9.1 operating systemsHardware requirements: host USB3.0 interface (compatible with USB2.0 & USB1.1)