1、USB 3.0 INTERFACE: High Speed USB 3.0 interface can be connected to external U disk/keyboard and mouse, portable hard disk and other USB devices. 2、SUPPORT 4K 30HZ: HD multimedia interface supports 4K 30HZ 1080P 60HZ HD quality and MST multi screen display. 3、HIGH SPEED READ DATA: USB C hub adapter supports USB C interface devices, interface conversion for high speed read data. 4、EXTERNAL MICROPHONE: 3.5mm audio interface can be connected to an external microphone headset, high security audio and video experience. 5、STABLE NETWORK CONNECTION: RJ45 Gigabit Ethernet port comes with a high speed network port, network connection is more stable. Item Type: 12 in 1 USB Hub Material: Aluminum Alloy Input: USB3.1 Output: PD Charging Portx1 USB3.0 Portx4 Storage Card Slotx1 Micro Storage Cardx1 Memory Card Slotx1 RJ45 Portx1 HD Multimedia Interfacex2 USB C Portx1 HD Multimedia Interface Resolution: 4K30HZ/1080P60HZ Support MST Multi Screen Heterodyne Display RJ45 Network Card: Support 100/1000M Ethernet PD Charging: PD Fast Charging 100W Card Reader: MICRO Storage Card/Memory Card card Support Dual Card Same Reading (Maximum Support 128G, Not Included) USB C: High Speed Data Transmission USB3.0x4: High Speed Data Transmission Audio:3.5MM Audio Port Support Line Call 1 x 12 in 1 USB Hub