HDMI interface: up to 4K Ultra HD resolution, 3D viewing effect USB 3.0 interface: provides 5Gbps transmission rate, supports simultaneous connection of multiple devices USB 2.0 interface: provides 480Mbps transmission rate, meeting your daily needs Type-C port: support 5V 2A fast charging High quality aluminum alloy case, effective heat dissipation, prolong service life Plug and play, no need to drive, convenient and fast Light weight and compact, easy to carry and storage Specification: HDMI resolution: 4K*2K@30Hz Power: 5V Wire material: PVC Wire core: tinned copper wire USB: 1*USB3.0+1*USB2.0 Wire length:113CM Material: Aluminum alloy+ABS Compatible with: All laptop with Type-C port Samsung Galaxy S8/S9/S10 Huawei Mate 10/Mate 10 Pro/P20/P30, etc. Other smartphones with Type-C port Package included: 1 x SEEWEI 4-IN-1 Type-C HUB 1 x English and Chinese User Manual