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, TVs and other large-screen devices, making screen projection more convenient Support SD/TF read and write synchronization to share photos/videos SD+TF dual card slots, high-speed transmission, plug and play to solve the problem of no card slot on mobile phones/computers, making transmission more convenient 100W PD fast charging keeps the battery fully charged 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 transmission: USB3.0, USB2.0, Type-C, SD/TF Charging: PD100W fast charging Network port: 100Mbps (The product printed words may vary depending on the batch, but this does not affect use) Color: As Shown Material: ABS Package Contents: 1 x USB C HUB