It uses type-C interface, which makes it available for both positive and negative plug-in. Featuring plug and play design, it does not require a driver.It features stable transmission and strong anti-interference because it uses excellent manufacturing technology and intelligent chip.Made of aluminum alloy high quality material, it is solid and durable.The length of the product is 10cm, the width is 3cm and the height is 0.9cm.A USB-C interface is extended to support PD charging protocol and data transmission. HDMI-compatible interface is extended to support HDMI-compatible 4K 30Hz audio and video output. USB3.0 interface can connect USB flash disk, mouse, keyboard, mobile hard disk, game handle and other external devices, HDMI-compatible interface can connect 4K HDTV or projector. It is compatible with for Apple MacBook, for Macbook pro notebook and type-C interface series computers/tablets/mobile phones.Item Name: Type-C HubMaterial: Aluminum AlloyExpansion Port: USB3.0x1+USB2.0x2+USB-C PD Charging+HDMI-compatible 4K30HzSystem Support: for Windows 2000/2003/ME/XP/Vista/for WIN 7/8/10 or for Mac OS 8.1 or HigherCable Length: 11cmFunction: USB 3.1 Type-C to USB 3.0 Hub + USB-C PD Charging + HDMI-compatible 4K, Data Transmission and Charging of Computer and Mobile DevicesPower: 15W-100WCurrent: 3A-5ATransmission Rate: 10GbpsInterface Type: Type-C 3.1 High Speed Interface, Downward Compatible with USB3.0/USB2.0/USB1.1Supply Voltage: 5V-20VSize Details: 10cm x 3cm x 0.9cm/3.94" x 1.18" x 0.35" (Approx.)Notes: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.Note that computers or mobile devices should support HDMI-compatible 4K video output function. Products should be equipped with standard 4K HDMI-compatible cable when connecting devices.Package Includes:1 x Type-C Hub