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. TYPE-C to USB3.1 male, backward for USB3.0, USB2.0, and USB1.1 data transfer. USB 3.0 standard port with a theoretical transmission speed of 5Gbp, backward for USB2.0 or USB1.1, USB downlink current ranges from 500MA to 900MA. Specifications: Material: aluminum alloy Size: approx 10.3x3.5x1.2cm or 4x1.4x0.5in 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 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.