DESCRIPTION: USB C HUB 8IN1 TYPE C3.1 TO 4K HDMI Adapter with RJ45 SD/TF Card Reader PD Fast Charge for MacBook Notebook Laptop Computer Extensive 8 in 1 USB C Hub. Super great for office or entertianment needs. IMPORTANT NOTE - When connecting to laptop, Do NOT support charging cellphone through USB-A or USB-C female port due to limited current. - Please provide power supply when connecting to power-hungry devices; Only support connecting 1 HDD/SSD at a time. - To prevent Wi-Fi interference, you could wrap the line body near type-c port with foil paper, or using the router of 5GHz frequency. Also, please unplug ethernet cable and PD charging cable from adapter when not using. - For Xiaomi laptops, we suggest connecting to non-original PD power adapter such as Apple, Dell power adapter to ensure normal use. FEATURES: The usb-c hub multiport adapter includes fast Ethernet/RJ-45 Port, Type C 3.1 data transmission port 87W PD charging port, 2 USB 3. 0 Ports, 4K HDMI video output. Micro SD TF card reader which can help you to solve 8 troubles in 1 hub. High Speed Reliable Data Transfer with USB 3.0 The USB c dock supports transmission speed rates up to 5 Gbps which can connect USB flash drive, hard drive, keyboard, mouse, printer,thumb drive for effortless data transfer. The USB charging hub is with 87W high-speed power delivery charging which support you to charge your MacBook/Pro,mac book air or other compatible laptop while transferring data and connecting multiple low-power peripherals. Advanced 4K HDMI Technology.