usb c 3.1 to hdmi, Amazon.com: ELUTENG USB C to HDMI Adapter, USB Type C Female to HDMI (Thunderbolt 3 Compatible) 60Hz Support Audio and Video Transmission Type C 3.1 to HDMI Coupler Female to, 3 in 1 Hub Type C Male USB 3.1 to USB-C 1080p Female Adapter MacBook HDMI display DisplayPort