Feature:1. Compatible: Ability to simultaneously connect USB A peripherals such as keyboard, mouse, speakers or thumb drives to a USB C laptop. Backward compatible with USB 2.0 and USB 1.0 devices.2. Ultra HD 4K HD Multimedia Interface Adapter: Supports mirror or extended mode with ultra clear 3D vision and rich display effects via usb c to HD Multimedia Interface port. Mirror or extend your screen with this usb c HD Multimedia Interface multiport adapter. The USB c to HD Multimedia Interface port can stream 4K UHD video directly to TVs, monitors, projectors and more. The maximum HD Multimedia Interface output is up to 3840x2160 30hz resolution.3. Super High Speed Data Transfer: USB 3.0 expansion hub for faster performance, 1 USB3.0 port supports transferring large amounts of data in seconds, high speed data transfer up to 5 Gbps, saves your time and never loses connection. Also backward compatible with USB 2.0 1.1, USB C PD port for fast charging (67W maximum).4. SD TF Card Reader: Add 1 SD card slot and 1 TF card slot to the computer, which can easily access general SD and TF memory cards, and transfer data or share files in daily work without any effort. No need for an extra card reader, cost effective.5. Aluminum Alloy Housing: The heat dissipation rate is more than three times that of other materials, and the hub can maintain a safe temperature during long term operation.Specification:Item Type: USB C HubMaterial: Aluminum AlloyInterface: 1 x PD Charging Port, 1 x USB3.0 Port, 2 x USB2.0 Port, 1 x HD Multimedia Interface Port, 1 x SD Card Reader, 1 x TF Card ReaderConnector: USB Type CResolution: HD Multimedia Interface Port Supports 4K (3840x2160/30HZ) ResolutionOperating System: for Linux, for Windows XP, for Windows Vista, for Chrome OS, for Windows 10.Package List:1 x USB C Hub