1.7-in-1 Hub: USB-C multiport-in-1 design compatible with a variety of accessories and devices. Include 1 USB-C 100W PD charing, 1 USB-A, 1 USB-C, 1 HDMI 4K, SD/TF card reader and Rj45 port 2.USB-A & USB-C Ports: Multiple USB-A 5Gbps and USB-C connections for USB accessories. Note: check your USB accessories and display device loading current when used, especially for high-power devices (e.g., hard drive ). When external wall charger (not include) not apply, the total accessories loading must not exceed 900mA. insufficient current may lead too slow charging or other disconnection failure. Typical USB accessories loading current as follows: (Mouse: 100 mA; USB Flash Drive: 100 mA; Camera: 300 mA; Keyboard: 500 mA; External Hard Drive: 900 mA) 3.PD Passthrough Port: 100W power delivery Charing; support up to 85W output to charge devices. To maximum output loading capacity, suggest to use external wall charge (Wall charge and power cable not included); Note: When the hub is fully loaded, it may reach a surface temperature of around 122F/50°C . this is normal for this kind products. HDMI display port for resolution up to 4K30Hz; 1GbE RJ45 port 4.Compatible with Mac and Windows: Includes 15cm USB-C cables to connect the laptop