The CM285 portable USB-C hub with built-in USB-C cable can add three USB 3.0 ports for your computers and phones. It supports video resolutions up to 4K and PD fast charging protocol, and all of the functions can be performed simultaneously via the built-in USB-C cable, which assures stable performance and durability. In addition to performing more functions, the compact form makes it highly portable. The aluminum alloy shell also provides a sturdy structure and excellent heat dissipation. The delicate surface process and rounded shape were designed to reduce damage to other products in the bag.