Material: aluminum alloy. Size: show as pictures. Color: show as pictures. Each interface has independent chip, and each interface can multitask at the same time. Play while charging, never power off, support up to 87W fast charging. Compact and portable, more convenient to go out of the office.Compatible with laptops with Type C interface. Heat dissipation to ensure stable performance.Used for data transfer of laptops. Notes: Due to the light and resolutions setting difference, the item's color may be slightly different from the pictures. Please allow 1-3cm dimension difference due to different manual measurement. Package included: 1 * hub. Multi-system compatible, plug and play without driver.