Features: Smart IC protection: automatic stop working when there is danger of over charging/over heating/short circuit/over current/over voltage. Solid and firm: under case is made of superior aluminum and upper cover is made of thicken fireproof ABS, constructed with anti-slip bottom which can keep secure charging. Multi function: HDMI video output (1080P@60Hz to 4K@30Hz); 2 USB 3.0 port and one USB C port (5Gbps transmission speed); qi standard wireless phone charger, Type C charging; TF card reader. 4K HDMI HD: the HDMI interface supports 4K HD resolution which is backward compatible with dual display, connection with display and projector. Intelligent recognition: wide compatibility, support high efficient QI wireless charging, highly suitable for office, home use, travel, business trip and so on. Specifications: Type:Multi function USB hub adapter Material:ABS, aluminum Color:Black Wireless power:Up to 7.5W wireless charging USB port:1* USB Type C female port (Power delivery: 3.0 charging),2 * USB 3.0 A port:up to 5Gbps data transmission speed Input/output power:Up to 60W (Type C female port), up to 5V/900mAh output (USB 3.0 A port) Type C female port transfer speed:Up to 480Mbps Card reader:Micro card (up to 256GB) Dimension:95*95*12.5mm Weight:80g Package list: 1 * Multi Function USB Hub Adapter