Features: 1.4 Ports USB3.0: This hub provides 4 USB 3.0 ports that can be connected to U disk, keyboard, mouse and mobile HDD, etc. 2.5Gbps Transmission: This USB 3.0 HUB provides maximum 5Gbps (USB 3.0), 480Mbps (USB 2.0) and 12Mbps (USB 1.1) transmission. 3.Strong Compatibility: This USB splitter is suitable for Win, for OS X tablet 10.0, for Linux, meeting your different needs. 4.LED Indicator: The LED indicator shows the power status of each port. Separate on/off switches make it easy to connect and disconnect the device. 5.Plug and Play: This USB 4 Port 3.0 splitter supports plug and play, no drivers are required, time saving and convenient. specification:Item Type: USB 3.0 HUB Material: ABS Appearance: USB 4 Ports Function: Connect U Disk, Keyboard, Mouse, Mobile HDD, Etc. Usb3.0 High Speed Transmission Transmission Efficiency: 5Gbps High Speed Transmission, Fast Reading and Copying of Large Files, Saving Time LED Power Indicator: Press the Button and Light is on, and the Usb Interface is Powered On Standby Power Interface: if the Power Supply is Insufficient, It Can Be Connected to the DC5V Interface for More Stable Transmission Strong Compatibility: Suitable for Win, for OS X Tablet 10.0, for Linux and Other Systems, No Need Driver, Plug and Play PackageList:1 x USB 3.0 Hub