Features: 1.5 multi?port USB C hubs, data transmission of this USB C Hub is more convenient and fast. 2.Connect to the usb c power adapter, and charge the connected usb c laptops and hubs that support power transmission through the usb c charging port. 3.Able to connect two USB?A peripherals to a USB C laptop at the same time. 4.The 4k video hd output adapter USB C to RJ 45 gigabit ethernet lan adapter enables you to enjoy the super high?speed gigabit ethernet speed. 5.Plug and play, no software, drivers or complicated installations are required. specification:Item Type: USB C Hub Material: Aluminum Alloy 10 / 100 / 1000 BEST-T Network: Support Video Resolution (HD Output Port): Up to 4K UHD (3840x2160 30Hz) or 2K/ 1080p / 720p / 480p / 360p Data Transfer Rate: Up to 5Gbps Power Supply: USB Bus Power Supply, Compatible with USB?C Devices (including but Not Limited to the Following) PackageList:1 x USBCHub Note4 ways to help reduce some of the impact of USB3.0 radio frequency interference on wireless connections 1,Connect the laptop to the 5GHz Wi?Fi network options. 2,Connect devices (such as mouse, keyboard, and hard drive) to the USB 2.0 port of the laptop. 3, Use a high?quality USB 3.0 extension cable of 1 foot or longer to connect the USB 3.0 hub to the laptop. Keep the USB 3.0 device away from the host. 4,Use high?quality shielded USB 3.0 devices/cables/connectors.