You can mirror/extend your screen to any external device and enjoy , clear and colorful images. Power port for charging laptops and devices and powering connected devices. The hub lets you seamlessly transfer photos, videos, music, and other files through its memory card and thumb drive slots. Rugged aluminum housing and high-strength cables provide extra durability. The hub is slim and compact for easy storage and convenient use on the go or when traveling. The form factor complements your laptop and takes up the limited space on your desk. The size is purely manual measurement, there will inevitably be an error of 1-3 cm, please refer to the actual product. Due to shooting lighting and the difference of each monitor. There will be different degrees of color difference. The actual product shall prevail.