1、This product is made of high quality aluminum alloy, strong and durable. 2、Extended Type‑C female x1, (pd charging) USB0 female x2, HDMI interface x(up to 3840x2160/30HZ, backward compatible 1080P/60hz). 3、USB0 with video transmission extension cable, input device with Type‑C interface, mobile phone, tablet, laptop, etc. 4、Support positive and negative insertion, USB0 interface, fast data transmission, wide application range. 5、HDMI output supports up to 3840X2160P/30Hz video resolution, output device HD display, LCD TV, etc., supports for Nintendo, desktop, laptop, for OS X, etc. Features: This product is made of high quality aluminum alloy, strong and durable. Extended Type‑C female x1, (pd charging) USB 3.0 female x2, HDMI interface x 1.(up to 3840x2160/30HZ, backward compatible 1080P/60hz). USB 3.0 with video transmission extension cable, input device with Type‑C interface, mobile phone, tablet, laptop, etc. Support positive and negative insertion, USB 3.0 interface, fast data transmission, wide application range. HDMI output supports up to 3840X2160P/30Hz video resolution, output device HD display, LCD TV, etc., supports for Nintendo, desktop, laptop, for OS X, etc. USB 3.0 interface can be connected to hard disk, mouse, keyboard, card reader and other devices. Specification: Material: Aluminum alloy Product Length: Approx. 20cm/ 7.87inch Color: Silver, Gray(optional) Main Control Chip: PS176 Power Indicator Support System: For Windows\OS X \Linux Working Temperature: 0-70℃ Storage Temperature: -20-+70℃ Humidity Range: 5-95% RH Package List: 1 x 4 In 1 Type-C Hub