Made from qualified material, it is safe and durable to use. Exquisite design ensure high transmission speed. Keep charging your laptop while connecting multiple peripherals and transferring data. Allow you to connect keyboard, mouse, thumb drive to laptop, and access files from an SD TF card reader. Support HDMI 4K output clear picture to an external monitor or TV screen. No driver needed, plug and play. Compact and light, portable to carry anywhere and anytime. Connect Your MAC or other laptop with a HDMI/DVI/VGA cable to projector or monitor which has HDMI/DVI/VGA and connect your MAC or other Laptop to a USB device. Resolution: support 1080p Type: USB 3.1 Type C to HDMI, USB 3.0, DVI and HDMI. USB-C for Power Delivery and Ethernet Adapter. Input: USB 3.1 Type C Output: HDMI(4K), USB 3.0, DVI, VGA.