usb hub 3.0 high speed 4/7 port usb 3.0 hub splitter with on/off switch for pc windows computer accessories

1. real high speed chip. 2. the theoretical maximum speed can reach 5gb/s, and is backward compatible with usb 2.0/1.1 standard specifications. 3. equipped with 4 sets of usb jacks with plug function 4. current protection function, support overload voltage and instantaneous current protection function, safe and convenient to use 5. the computer automatically recognizes the installation, without the driver, plug and play, plugging and unplugging;