1. Material: aluminum alloy + ABS 2. Cable material: PVC + tinned copper wire core 3. USB 3.0: rate 5Gbps 4. USB-C PD: supports 100W power 5. HDMI: 4K x 2K resolution 30 Hz 6. Interface: HDMI+USB-C PD+USB 3.0x3 7. Weight: about 73.8g 8. Size: about 10.8 x 4.5 x 1.6cm, cable length about 16.5cm Features: 1. 5-in-1 multifunctional docking station, theoretical transfer rate of 5Gbps, fast data transfer, one-time 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. USB multi-port, can be connected to a variety of external USB devices, mobile hard disk, mouse, keyboard, U disk, etc., goodbye to repeated plugging and unplugging 4. PD fast charging, play without power, office meetings, easy to show, multiply efficiency, 4K HD large screen, enjoy theater-level shocking visual effects 5. Wire can be stored, hidden pick-up line, compact and portable, white indicator, at any time to understand the work status