Product description: 1. Warm reminder: The USB-C to HDMI adapter only works with USB-C laptop/ cellphone/ tablet that supports DP Alt Mode (video output over Type-C port) or Thunderbolt 3. 2. NOT Bi-directional: Only supports the transmission of the signal from the laptop/mobile phone from the USB-C port to the HDMI display, and does not support the transmission of the HDMI display to the laptop/mobile! 3. Make sure your USB-C or Thunderbolt 3 port support video output, or else it won't work. 4. The HDMI end only compatible with HDMI-enabled TVs/Monitors/Projectors 5. Charging is NO