1. Material: aluminum alloy + ABS 2. Size: 109*28.8*11.6mm; wire length: 135±4mm; weight: 45g 3. Interface: Type-C male to HDMI+PD+USB3.0+USB2.0+SD+TF 4. 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)