The compact and elegant shape provides 4 USB 3.0 ports for expansion, the theoretical transmission speed of USB 3.0 is up to 5 Gbps and supports 4 conventional USB devices to be used simultaneously. The device provides a stronger stable power supply. Product Usage: It is suitable for connecting USB devices such as mobile hard drives, USB flash drives, mobile phones, digital cameras, tablets, etc. It supports 4 USB devices to be used simultaneously, supports hot swapping, plug and play, and requires no drivers. Mode and ease of use. Features: Product Material: High-strength ABS Plastic Output Interface: USB 3.0 A-type Female Port × 4 Lightweight, ultra-thin and easy to carry Made of high-strength ABS plastic, fashionable and creative appearance, beautiful and novel LED indicator design, check power supply 4-port USB interface supports hot swap, plug and play, easy to use Support overload voltage and instantaneous current protection functions, effectively protect the connected equipment and the HUB itself Complies with USB 3.0 technical specifications, data transmission is safe and stable Driver-free support for Windows XP/Vista/7/8 MAC with USB support