Description: Please make sure your device is compatible with the extension, otherwise it will not work. The Type-C interface of the laptop must be Thunderbolt 3 or support the USB3.1 protocol. HDMI function requires Type-C interface to support display mode There are 3 models to choose from, please choose the appropriate model according to your needs: (1) 6 in 1 model: HDMI compatible*1+USB 3.0*1+USB 2.0*1+SD /TF*1 + PD*1 (1) 5 in 1 Model: USB 3.0*1+ USB 2.0*1+ SD/TF *1 (1) 4 in 1 Model: HDMI Compatible*1+USB 3.0*1+ USB 2.0*1+ PD*1 IMPORTANT - When connected to a laptop, charging your phone via USB-A or USB-C is not supported due to limited current, female port. - Provide power when connecting power-hungry devices; only 1 HDD/SSD can be connected at a time. - To prevent Wi-Fi interference, you can wrap the wire around the type-c port with foil, or use a 5GHz frequency router. Also, unplug the Ethernet cable and PD charging cable from the adapter when not in use. - Xiaomi laptops are recommended to be connected to non-original PD power adapters such as Apple and Dell to ensure normal use. 6 IN 1 Docking station Solve the single problem of notebook interface, intelligent multi-purpose, multi-function interface expansion, meet your multi-interface expansion needs, play while charging without power loss, support 87W fast charging, up to 100W