Multi-Function ExpansionExpands computer ports to 1*4K HDMI port,1*3.5" Audio Port,1* USB 3.0 Port,1*USB C PD Charging Port.The 4 ports can work simultaneously which allows you to enjoy the big screen all the time. USB C to HDMIMirror or extend your screen with USB C adapter HDMI port and directly stream 4K UHD, Full HD 1080p or 3D video to HDTV, monitor or projector. You could enjoy movies with your family on bigger screen, or making a vivid presenting in a meeting. 3.5mm Audio/Mic3.5mm Audio/Mic port for you to put in your wired headset, so that you can enjoy music without disturbing others. USB 3.0 PortsWith 3 USB 3.0 ports, you can connect hard drive, printer, mouse and more USB devices to your USB C laptop. The USB 3.0 ports transfer rates up to 5Gbps, which allows you to upload and download photos, music, videos, and other files quickly. Thunderbolt 3 Charging This USB C HUB with Thunderbolt 3 pass-through charging port that supports Power Delivery(PD), quickly charge your connected devices while displaying or transferring data, Max 100W Power Delivery, support to charge both 13 (61W) and 15 (87W) MacBook Pro at full speed.worry-free about power storage. Wide CompatibilityCompatible with a Type-C equipped devices(Thunderbolt 3 compatible)with DP-Alt mode,such as MacBook Pro 2016-2020,MacBook Air 2018-2020,iMac 2018, iPad Pro 2018-2021,iPad Air 4 2020,Chromebook Pixel, Dell XPS 13/15 ect. Also support Samsung DEX/Huawei EMUI/Nintendo Switch (Note: Not for tablets) eet your needs. Convenient ChoicePlug and play, no need to install the any driver/software. Aluminum Plate for strong antioxidant capacity. Safety wire core for high quality insulation outer layer.