1. Type-C multifunctional adapter, big screen expansion, data transmission, PD fast charge. 2. Connect multiple devices: PD 87W fast charge, 3*USB3.0, HDMI port. 3. 4K UHD video,HDMI port provides MAX 4K*2K. 4. Wider vision, you can charge while playing games. 5. Transfer 1GB movie in 5 seconds. 6. Fully charged within 1.5h for MacBook, 87W fast charge, can quickly supply power to PD-enable devices. 7. Simultaneously charge and connect U disk, mouse and keyboard to achieve convenient mobile office. 8. Suitable for computer and cellphone with full fuction USB-C ports. 9. Good heat dissipation, alloy casing+ surface anodizing process. 10. Small and portable, easy to fit into a briefcase.