1. Material: aluminum alloy + ABS 2. Cable material: PVC + tinned copper wire core 3. HDMI: 4K x 2K resolution 30 Hz 4. USB-C PD: supports 100 W power 5. USB 3.0: rate 5 Gbps 6. USB-C 2.0: rate 480 Mbps 7. SD/TF: rate 480 Mbps (supports use single card) 8. Card reader: supports micro SD / TF card reading 9. Interface: HDMI+USB-C PD+USB 3.0+USB 2.0+USB-C 2.0+SD+TF 10. Weight: about 73.8g 11. Size: about 11.6 x 4.5 x 1.6 cm, cable length about 16.5 cm Features: 1. Station 7-in-1 multifunctional docking device, fast data transfer, high-speed card reading, plug-and-play, once to solve a variety of office problems 2. Aluminum alloy shell, anodic oxidation process, wear-resistant and corrosion-resistant, more effective heat dissipation, more stable transmission, delicate touch 3. Multi-port USB, can be connected to a variety of external USB devices, mobile hard disk, mouse, keyboard, U disk, etc., goodbye to connection and repeated disconnection 4. PD fast charging, play without power, office meetings, easy to display, large and clear screen, multiply efficiency 5. Wire can be stored, hidden pick-up line, compact and portable, white indicator, at any time to understand the work status