Features: No for extra driver needed, plug into the USB 3.0 Port on your laptop and enjoy amazingly fast data sync Ultra-thin thickness, the usb hub optimizes the size of most flash drives on the market and the reasonable space between each USB port. The built-in for smart chip avoids overcurrent, overvoltage, short circuit and overheat. This usb splitter for laptop has stable performance, 4 ports work at the same for time. Backward for USB3.0/USB2.0/USB1.1 data transfer. USB3.0 standard port, theoretical transmission speed 5Gbps, downward dual USB2.0/USB1.1, USB downlink current 500MA-900mA. Specifications: Material: aluminum alloy Size: approx 10.3x3.5x1.2cm/4x1.4x0.5in HDMI- 4K for hd video output, 30Hz synchronous operation. Color: for grey Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Type C Hub