Features: 1.USB C Adapter for MacBook Pro / Air: Compact and lightweight USB C Hub design. 2.High Quality Materials: It is made of stylish anodized aluminum, which is very durable. 3.Applicability: It is specially designed for 13.3 or 15.4in for MacBook Air 2018/2019/2020 and for MacBook Pro 2016/2017/2018/2019/2020. Note: not compatible with for MacBook Air / Pro with sleeve. 4.USB 3.1 Super Data Transmission: Converted into (20VPD, card reader data, 2 x USB3.0 HUB, High Definition Multimedia Interface 4K video) multifunctional application through digital signal input with USB 3.1 (PD mode) interface. 5.4K UHD High Definition Multimedia Interface Adapter: This High Definition Multimedia Interface adapter for MacBook Pro Air allows you to mirror or extend your for MacBook display to a TV, monitor or projector with a resolution of up to 4K UHD (3840 x 2160 30Hz) through the High Definition Multimedia Interface output port. specification:Item Type: Docking Station Material: Aluminum Alloy Color: Silver Product Size: Approx. 11 x 3 x 1 cm / 4.3 x 1.2 x 0.4in Parameters: Seven in two Docking Station, 1 x High Definition Multimedia Interface, 2 x USB3.1 (Max 5Gbps), 2 x Type-c, Storage Card and Micro Storage Card Card Slots. Applicable To: For Macbook Pro 16 17 18 19 20 Model and the Latest Version of for Macbook Air 18 19 20 Model. PackageList:1 x Docking Station