Multi-function Device Makes Best Companion: Ugreen USB Hub Card Reader has been specifically designed for laptops, tablets and ultrabooks. It is 3-in-1(usb 3.0 hub, card reader, phone stand), perfect companion for office, home table use and also traveling. | Expand&Protect USB Ports: The usb 3.0 hub helps expanding the usb port of pc from 1 to 3, greatly protect the USB port from frequently plug and unplug. Hands-free Enjoying: With the Stand design, you can put your phone/tablet on it for watching movie or viewing news, totally hands free. | Versatile card reader: It features with SD(UHS-I), TF, MS, M2 card slots, which makes reading different types of memory cards conveniently, no need to buy another card reader anymore! Note: It is single-read for Multi Cards, which means your computer may only identify the first card you plug into the hub, so please just plug one card into the hub at a time. | Faster Transfer Speed: Up to 5 Gbps data transfer speed of this usb card reader, 10x times faster than usb 2.0 for quickly transferring large files; it is also backwards compatible with all devices and hosts with USB 2.0 or 1.1. Plug&Play: Easy to use, no driver installation needed. | Safe Protection: Voltage and current protection against incorporated overload (surge) to ensure the safety of your devices. Universal Compatibility: The usb 3.0 card reader is compatible with all Windows/Mac/Linux systems.