Aluminum case Input: USB-C Male (Compatible with USB 3.1 Gen. 1, USB 3.0, USB 2.0 and USB 1.1) Outputs: HDMI Female, USB-C female (for power supporting up to 61W), USB 3.0 A female Supports widescreen aspect ratio of 16:9 Full HD 4K video streaming Supports desktop display mirror, extend mode, multi screen mode and screen rotation mode High performance USB Graphics Engine supports 4K/30Hz resolution Automatic recognition of monitor type, resolution, and features.   NOTE: Connection of HDMI devices requires the USB-C port of your device to support HDMI Alt Mode. Compatible with: Windows 10 Windows 8 Windows 7 MacOS   Dimensions : Product (Package) Height 1.1 cm (17.5 cm) Width 6.6 cm (10.3 cm) Depth 6.6 cm (2.7 cm) Weight 83 g