1. It is not only an expansion docking station, but also a laptop cooling mount 2. Interface: Type-C*3, HDMI, USB-A 3.0*3, Gigabit Ethernet port 3. 4K@30HZ resolution, high definition projection screen, enjoy Shocking cinema-level viewing 4. Supports USB PD3.1 fast charging protocol, charging power up to 100W 5. Magnetic absorption, easy to carry 6. One-time expansion port, which can meet different port requirements and universally compatible 7. Powerful built-in chip, every Function controlled by an independent chip, supports multiple functions to operate smoothly at the same time, no lag 8. One-piece aluminum alloy material, fast heat dissipation