Large screen extension, share files to TV, projector, and monitor via HD 4K port, convenient for the officeUSB 3.0 ports provide fast data transmission speed of up to 5Gbps, easily upload or download files, music and photos in several secondsThe PD port can charge most laptops and computers (Type-C compatible), with power to 87W while simultaneously charging your phone. Thus you don't need to worry it's out of power while playing or usingPerfect for laptops, such as compatible for Apple MacBook, for Huawei MateBook and other Type-C port devices Specification: Interface: 1 x 4K video output, 3 x USB 3.0 output, 1 x PD fast charging portMaterial: aluminum alloy Package included: 1 x USB-C Hub Other items not included