1. Material: aluminum alloy + ABS.2. Sizes: 109*28.8*11.6mm. Cable length: 135±4mm. Weight: 45g.3. Interface: Type-C male to HDMI + PD + USB3.0 + USB2.0 + SD + TF.4. Supports 4K 30Hz resolution. Type-C PD supports up to 60W (20V/3A) charging and data transmission. SD / TF 2.0 card reader (simultaneous reading is not supported).5. Supports some Type-C mobile phones / tablets OTG function. Connect laptop to HDTV / projector / monitor (compatible with most operating systems, such as for Windows and for Mac OS).