Massive Expansion: Equipped with a HDMI port, a USB-C Power Delivery input port, USB-A 3.0 data port and USB-A 2.0 data port, 3.5mm Audio Jack.Powerful Pass-Through Charging: Connect a 60W wall charger to the Power Delivery input port to provide high-speed pass-through charging to your laptop.Media Display: HDMI Output-Support 4K UHD (3840 x 2160@30Hz) resolution, backward support 2K@60Hz / 1080p@60Hz resolutions to mirror or extend screen. If the HDMI port doesn't work, try plugging the other side of the USB-C plug into the iPad.Files Transfer: USB 3.0 Port and USB-C data port with 5Gbps super speed data transfer,Transfer files in seconds.2 USB-A Ports allows to connect USB-A peripherals such as mobile,keyboard,mouse,USB flash drives,camera.3.5mm Audio Jack: supports connect earphone,headphone or speaker.Support Microphone input.Built-in DAC audio chip processes digital signal into Hi-Res sound, up to 384khz-32bit audio output. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.