Features: 1.The 5 in1 USB?C hub expansion dock uses advanced chips to expand your job opportunities and provide you with more stable performance 2.No driver or software is required, plug and play. Convert your usb?c port into 5 ports: 2 x Type?C, 2 x USB2.0, High?Definition Multimedia Interface, RJ45, Memory Card, Storage Card 3.Support High?Definition Multimedia Interface , High?Definition Multimedia Interface resolution up to 4K (3840x2160 at 30Hz), backward compatible with 1080P, 720P, etc, enjoy the feast of film and television 4.Support USB?C power supply 87W PD. It can quickly charge devices with USB?C ports, support PD fast charging, and support up to 87W backward compatibility 5.Support RJ45, connect to wired network, transmission is more stable, 2 USB3.0 ports can be connected to U disk, mouse, keyboard, mobile hard disk and other equipment. Support Storage Card / Memory Card specification:Item Type: Docking Hub Material: Aluminum Alloy Interface: 2 x USB3.0, High-Definition Multimedia Interface, RJ45, Type-C 2 x USB3.0 Port: 5GB/S Data Speed PD: Up to 87W Backward Compatible High-Definition Multimedia Interface Port: 4K (3840x2160 at 30Hz) is Backward Compatible with 1080P, 720P, Etc. RJ45 Port: Supports 10/100Mbps, the Maximum Ethernet Speed is 100Mbps and is Backward Compatible PackageList: 1 x Expansion Dock 1 x Protective Cover