1、Plug Play: USB 0 port, expand one computer USB port to four USB ports, plug and play, no need to install drivers  2、High Speed Propagation: Protects equipment safety, built in current and overload protection settings to protect the safety of connected equipment and extend the life of the USB hub  3、Protect Safety: High speed data transmission, it can get a data transmission speed of 5Gbps, so that you can transfer files and videos at a faster speed  4、Compact Design: Small and compact design, lightweight design convenient for people to put on and carry, suitable for work and travel  5、Parameters: 5Gbps transmission rate can be connected to 1TB hard disk, mouse, keyboard, USB flash disk, etc. No external power supply, no drive, plug and play