This USB Hub convert your type-C port to HDMI output (4K x 2K 30Hz) and 3 x USB 3.0 HUB High Resolution Supported: HDMI resolution up to 3840x2160@30Hz, enjoying HD video output at a larger monitor. USB 3.0 Port: Allow you to connect an external keyboard, mouse, or USB flash drives. Transfer your data easily. Super Speed Data: Up to 5 Gbps data speeds let you transfer an HD movie in seconds. Aluminium Housing: Sleek design and resisting corrosion, the aluminium shell ensures better heat dissipation, provide rigidity and offers you better signal performance.