Lenovo C3/C4/C5 Series User Guide
Page 12
... use speech-recognition software. Use this connector to attach a device that requires a USB connection. Connects to the HDMI connector on your computer is equipped with a wireless keyboard or mouse, follow the installation instructions for those devices. Note: If your display or TV. Use this connector to attach the computer to an... you want to listen to music or other sounds without disturbing anyone. Connects to an external antenna to view programs using the optional TV tuner card.
... use speech-recognition software. Use this connector to attach a device that requires a USB connection. Connects to the HDMI connector on your computer is equipped with a wireless keyboard or mouse, follow the installation instructions for those devices. Note: If your display or TV. Use this connector to attach the computer to an... you want to listen to music or other sounds without disturbing anyone. Connects to an external antenna to view programs using the optional TV tuner card.