You can work on your mobile phone too The mobile phone extends the HD interface to connect to the display and supports external keyboard, mouse, U disk, etc Small screen becomes large screen for office/movie viewing with greater clarity 4K high-definition large screen expansion, connecting to projectors, monitors, and other large-screen devices, making screen projection more convenient Support SD/TF read and write synchronization to share p os/videos SD+TF dual card slots, high-speed mission, plug and play to solve the problem of no card slot on mobile phones/computers, making mission more convenient 100W PD fast charging keeps the battery fully at all times Supports PD3.0 fast charging protocol and provides stable power supply for external office expansion Product Name: Type-C Multi-function Docking Station HDTV: 4K 30Hz high definition (backward compatible) Data mission: USB3.0, USB2.0, Type-C, SD/TF Charging: PD100W fast charging Network port: 100Mbps (The product printed words depending on the batch, but this does not affect use) Color: As Shown Material: ABS Package Contents: 1 x USB C HUB 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.