This was received from someone. Rokid Mini Hub Charging Converter Max AR Sensor Accessories for Switch Xbox Smartphone - Use While Charging, Compatible with Max & AR Joy Pack Glasses When connected to a smartphone via the mini hub, it provides sufficient power for both charging and use. Easily connect to Switch, Xbox, and other game consoles with Type-C input. You can use them while charging. As a charging converter, the hub is more suitable for use while charging. HDMI does not have this function. HDMI is only compatible with devices that have an HDMI interface. If your device only supports HDMI and not Type-C, please select HDMI. Otherwise, select the mini hub.