1、HD Display: 4K type C adapter supports 4Kx2K (3840x2160) at 60Hz refresh rate video output, easy to connect to a large screen, cell phone computer universal. 2、Private Theater: Type C docking station supports cell phones and tablets to access the TV, large screen to enjoy, watching movies and games more enjoyable. 3、Efficient Office: For Macbook external display, large screen clear display, multiply the efficiency. Computer connected to the projector, making office presentations more convenient. 4、Projection Function: USB C to HD multimedia interface adapter supports learning video placement to the large screen, no need to look down at the small screen and keep your child's spine and eyesight. 5、Aluminum Alloy: Type C to HD multimedia interface adapter is made of aluminum alloy shell with good heat dissipation performance, lightweight and portable, easily fit into briefcase. 1 x Type C to HD Multimedia Interface Adapter Item Type: Type C to HD Multimedia Interface AdapterWire: PVC Shell Material: Aluminum AlloyWire Conductor: OFC Oxygen Free Tinned CopperWire Color: BlackShell Color: GrayCable Diameter: Approx. 4.5mm/ 0.18inCable Length: Approx. 11.6cm/ 4.6inInterface Type: Type C to HD Multimedia Interface(4K60Hz)HD Multimedia Interface Resolution: 4K60HzApplication: for Computers, Cell Phones, Support Type C Full Featured Interface Devices