The gray Satechi adapter has USB-C, three simple USBs, 4K HDMI, Ethernet connections and an SD and microSD card reader. With it, you can simultaneously charge a MacBook computer with a USB-C connection, connect it to an external display or projector with an HDMI connection, use a wired Internet connection or connect an additional device, e.g. iPhone, iPad or an external drive with a USB connection.
The adapter is suitable for devices with a UCB-C connector.