HDMI interface: supports video resolution up to 3840*2160 / 30HZ and supports HDMI1.4 specification. VGA interface: supports video resolution up to 1920*1080P/60HZ. Support with the same display]Supports mirror mode and extended mode. When used simultaneously with HDMI and VGA interfaces, it supports video resolutions up to 1920*1080P/60HZ. USB3.0 interface: USB 3.0 interfaces have high-speed data transmission rate of up to 5Gbps, suitable for U disk, hard disk, mouse, keyboard and other USB devices. PD Charging: Type-C charging can output up to 100W quickly. Design: Aluminum alloy casing, gold-plated C-type port to provide you with better signal performance. Operation: Plug and Play, no need for additional drivers, mirror your display to an HDMI-enabled TV or monitor. Comprehensively compatible: Compatible with /Huawei/ Dell/Millet and other mainstream brand notebooks, Samsung S8/S8+ /S9/S9+, Huawei mate10/mate20/P20/P30 and other mobile phone models. Colour: gray Material: ABS