Focus on description: (1) All functional series products: Convert 1 USB C port to 1 DP and 1 HDMI port, up to 4K/30Hz, 1 VGA port, up to 2K/60Hz, 2 USB2.0 and 2 USB 3.0, 1 Gigabit Ethernet port, 1 SD & TF card reader, 1 phone jack. (2) Product name: Hub computer expansion dock. Frey. Model Number: HS08. Line length: 20 cm. Interface: USB 3.0 USB expander hub one tow four multi-function set wire TypeC expansion dock aluminum alloy USB splitter. USB3.0:5 Gbps (500MB/S). Material: aluminum alloy material. External power supply: There is an external power supply. Unit weight: 0.01kg. Product size: 120mm26mm30mm (4.81.21). Color: iron grey. (3) Advantages: For 35 years, science and technology and innovation. The hub connects multiple devices to a laptop, such as an external hard drive, screen, projector, mouse, keyboard, and SD card. Compatible with Mac OS and Windows USB C devices. 4 USB C charging ports. Charging power up to 60 watts; 5 Gbps data transmission.