1. sub-control switch: each switch is independently controlled, and the button can be turned off directly when the U disk is not used 2. 7 USB3.0 (backward compatible with USB2.0, 1) + 1 USB charging port, the maximum theoretical transfer rate of USB3.0 can reach 5Gbps 3. In addition to daily use with the computer, it can also be inserted into the socket and used with the adapter. At this , it only has a charging function 4. Support USB interface peripherals, such as: U disk, MP3, keyboard, mouse, hard disk, printer, etc. 5. No need to install drivers, plug and play, support hot swapSpecification:Product name: USB hubInput port: using the latest USB 3.0 portTransmission rate: 5GbpsOutput port: 7-port USB 3.0 HUB hub, backward compatible with USB 2.0/1.2/1.0+1 USB charging port length: 1.5 Charging current: 2.4AFunction: charging + data transmission functionSize: 155 x 62 x 30mmColour: silver grayMaterial: aluminum alloyPackage Contents:1 x USB hubOnly the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.