Specifications Hign-concerned Chemical:None Funtion:RJ45 Standard:USB 3.0 Interface Type:USB Type-C,USB-C HUB Brand Name:NoEnName_Null Ports:8 === Product introduction === Remarkable ResolutionHMDI support video 4K@30Hz or 1080p@60Hz video output. Mirror or extend your screen with this HDMI Adaptor to HDTV, monitor or projector, stream a full HD movie or 3D video game on your HDTV or make PPT prensention through projectors, enjoy bigger and more vivid screen Super Speed Data SyncingUSB 3.0 ports can charge USB devices and support data transfer up to 5Gbpstransfer HD movies in seconds. USB 2.0 port with high sensitivity and stability for Wireless Mouse/Keyboard etc.. SD card readerSD slots make you to access files from universal SD or Micro SD card w/t the highest data transfer speed up to 100MB/S; perfect for Photographer, designer, vedio maker to quickly view photos or videos. (Two SD cards cannot be read at the same time) RJ45 EthernetNetwork adapter offers full 10/100 Mbps over RJ45 Ethernet port, Download movies or transfer files faster. The Ethernet connection enables a faster and more stable wired network than Wi-Fi.