4 Port High Speed 3.0 USB Hub SplitterAdd 4 unpowered high-speed USB 3.0 ports to your computer, convenient for attaching USB flash drive, keyboard, mouse, card reader and other USB peripheral. The high-performance main control chip guarantees that each USB3.0 interface runs at the theoretical high-speed bandwidth balance of 5Gbps, which is convenient for multiple devices to use at the same time. Built-in current protection settings can effectively protect connected devices and HUB itself, enhance durability and reliability, safety and stability.Features: -Simple appearance, reasonable interface layout, non-interference. -Each USB port has indicator to control the working state of each USB device. -USB3.0 interface supports hot-plug, plug and play. Easy to use and convenient to carry. -Support overload voltage and instantaneous current protection functions to effectively protect connected devices and HUB itself. -It conforms to USB 3.0 specification, supports high-speed 5Gbps bandwidth transmission, and is downward comp