1. Material: aluminum alloy + ABS2. Size: 109*28.8*11.6mm wire length: 135±4mm weight: 45g3. Interface: Type-C male to HDMI+PD+USB3.0+USB2.0+SD+TF4. Support 4K 30Hz resolution USB-C socket supports data transmission PD supports up to 60W (20V/3A) SD&TF: 2.0 card reader (simultaneous reading is not supported)5. Supports some Type-C mobile phone/tablet OTG functions laptop connected to HDTV/projector/monitor (compatible with most operating systems on the market such as windows and Mac OS)