Features: 1.USB 3.1 to 4K HD / USB3.0 / USB-C converter 2.Support PD Charge + Max. 4K HD video 3840 x 2160 @ 30HZ output 3.USB3.0 high speed data transfer 4.Plug and Play, no driver required. 5.Material: Aluminum alloy 6.Colour: Grey / Silver / Gold 7.Compatibility. 1) For NoteBook: for MacBook, for Microsoft Surface Book2, for Lenovo Yoga 900/910/920 etc. 2) Mobile phones: for Samsung Galaxy S8 / S8 +/ S9/ S9+/ Note 8/Note 9, for HUAWEI P10 /P10 Pro /P20/P20 Pro/Mate 10/Mate 10 Pro/Mate 20/Mate 20 Pro Microsoft Lumia 950XL etc. Directions: First, connect the female port to the display or charging cable, then connect the MacBook C-type male port (for MacBook or other available C-type devices), this is an important step, please follow this procedure, otherwise it will not work properly not sure, please feel free to contact us, thank you for your attention. Tip: Please note that this C to HD adapter is not suitable for all C type devices as some devices do not follow the HD-MI protocol, so please check if your device is available (as listed above) or contact us before purchasing, thank you. Specifications: Type: Hub Design: Professional Features: Portable, compact, hub Interface: USB 3.1 Type-C Input: DC 12-24V 50 / 60Hz Output 5V Cable length (cm): 8 cm Compatible systems: Windows 7/8/10, Vista, XP, MAC 9X / 10.4.6, Linux, etc. Package includes: 1*adapter (no other products included) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin