product description:Product name: USB 3.1 TYPE TO HDMI HD cable/Apple Macbook Air 3.1 to HDMI cable/USB 3.1 TYPE TO HDMI ADAPTE, 3.1 interface can be inserted forward and backward1. Input interface: using the latest USB3.1 Type interface2. The USB3.1 Type interface is about 8.25*2.4mm3.USB3.1 Type interface contains 24pin terminal, support forward and reverse plugging and unplugging4. The data transfer rate can reach USB 3.1 10Gbps5. Ultra-thin design, mini size6. Output interface: external high-definition HDMI equipment such as: monitor projector TV HDMI equipment with analog signal(Widely used in Apple Macbook Air 12-inch USB 3.1 output terminal to external HDMI analog signal equipment such as: monitor projector TV with HDMI interface external equipment)