This USB C to HDMI adapter hub is designed for laptops and phones with USB C ports. It supports HDMI resolution up to 4K UHD and USB 3.0 super speed transmission. The hub also features a USB C female charging port for charging laptops or other USB C supported devices. It is compatible with a variety of devices, including MacBooks, Chromebooks, and smartphones. The adapter is easy to use, plug and play, and hot swap, making it a convenient accessory for work or travel.