USB Hub is a device that can expand one USB interface into multiple interfaces and make these interfaces available at the same time. Hub is also commonly known as a hub, which uses topology to connect multiple USB interface devices. USBHUB has product features such as low power consumption, low temperature and reduced number of pins, so it is favored by developers. USB HUB can be connected to computer , computer fans, MP3, U disk, voice recorders, digital cameras, etc. Directly connected to the computer, no external power supply required, simple and easy to use The computer automatically recognizes and installs, no driver is required, plug and play Suitable for students, engineers, technicians, etc. Product parameters Working voltage: DC5V USB port: 3 USB expansion ports can work simultaneously, when working alone Can be used for USB lighting and related HOSB devices Driver: No driver required, the computer automatically recognizes and installs, plug and play. Colour:As Shown Material:Plastic + Metal Package Contents: 2 x Extension module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.