1. Multi-function interface expansion to meet the multi-interface expansion requirements 2. Support PD fast charge 3. HDMI connection to large-screen TV, 4K high-definition, restore true color 4. Support SD/TF card, dual cards can be read at the same time 5. 3.5mm audio interface, connect audio, headphone, microphone, etc. 6. Aluminum alloy shell, delicate touch, high temperature resistance, wear resistance, stable performance 7. Smart chip, stable transmission 8. Interface: USB 3.0 interface x3+HDMI+USB-C+Audio 9. Audio: 3.5mm audio interface 10. Material: aluminum alloy + ABS
