1. Material: aluminum alloy + ABS 2. Compatible with USB1.0/2.0/3.0/RJ45 3. Support 4K x 2K (3840x2160) 30Hz HDTV 4. Support PD 87W charging, card reader TF/SD card 5. Fast heat dissipation, stable performance, compact and portable 6. The interface is plug-resistant, plug and play, responsive 7. Small and light, easy to carry
