Describe:It's a Type-C to USB 3.0 with HDMI and a Type-C charging stand. The USB 3.0 port lets you connect USB devices to a host or other charging dock, the USB female port can transmit to the host, and the HDMI port (DP Alt Mode) allows you to connect an additional monitor to watch videos or slideshows on the big screen. Works with Macbooks or the new Google Chromebook Pixel and other types of Type-C compatible devices.Feature:1.3-IN-1 Type-C Male Gold Plated to Type-C/HDMI/USB Adapter Cable2. Supports HDMI resolution up to 4096 x 2160 (4K ULTRA HD compatible)3. Support SuperSpeed USB 3.0 transmission (5Gbps), backward compatible with USB2.04. USB-C female charger port for Macbook or new Google Chromebook Pixel and other USB-C charger-compatible devices5. Multiple USB-C ports, plug, and play, hot-swappable, easy to carrySpecification:Side 1 (input): USB 3.1 Type-C maleSide 2-1 (Output): Type C FemaleSide 2-2 (Output): HDMI FemaleSide 2-3 (Output): USB 3.0 FemaleCable: Triple ShieldedLength: Approx. 15 cmPackage includes:1 x Type-C 3-in-1 to HDMI AdapterNote: The mobile phone needs to have an MHL functionNotes:MHL Equipment (mhltech.org)You can check if your phone has an MHL function