The expansion dock features high-definition HDMI-compatible interface, which can bring you excellent viewing experience.The expansion dock is plug and play, which is convenient to use. The intelligent chip allows for quicker and more stable data transmission.Made of ABS material, PVC material and aluminium alloy, the expansion dock is stainless and lightweight, and its shell allows for efficient heat dissipation. The connector is hard and resilient, which has long service time.The length of the item is 80mm and width is 29mm, so it is convenient to carry it with you due to its compact and mini size.The expansion dock is compatible for Windows 7/8/8.1/10, for Mac OS 10.2 and the above, for Linux 3 and the above. It is also suitable for Macbook, for Huawei Matebook, for Xiaomi notebook, for Huawei P30/Mate 30, for Samsung S9/S10 and other phones, tablets and notebooks with Type-C interface.Item Name: Expansion DockMaterial: PVC,Aluminum Alloy,ABSTransmission Rate: 5Gbps(USB 3.0), 480Mbps(USB2.0) Resolution: 4K(3840 x 2160)@30Hz, 4K(3840 x 2160)@60Hz(Optional)Interface Type: 1 x Type-C Male, 1 x Type-C Female(Power Supply Only), USB2.0, USB3.0, 1 x HDMI-compatible FemaleCompatible System: for Windows 7/8/8.1/10, for Mac OS 10.2 and the Above, for Linux 3 and the Above Features: Quick, Plug and Play, CompactSize Details: 8cm x 2.9cm/3.15" x 1.14" (Approx.)Notes:Due to the light and the screen setting difference, the item's color may slightly differs from the pictures.Please allow slight dimension difference due to the manual measurement.The Type-C interface supports 5V-2A power supply only but not supports data transmission and external power supply with laptop.For your normal use, please make sure that if your laptop, tablet or mobile phone supports Type-C interface video output and OTG transmission function.Package Includes:1 x Expansion Dock(Others Not Included)