Amazon has the StarTech 4K 60Hz USB-C to HDMI Adapter )Silver, USBC-HDMI-CDP2HD4K60) for $27 with free shipping. List price: $37. Features USB-C to HDMI 2.0b adapter w/ HDR10, fully compatible with your HDMI 2.0b equipment, supporting resolutions up to 4K 60Hz (3840 X 2160) and bandwidths up to 18Gbps. This lightweight 4K adapter is highly portable, with a small-footprint design. It's the perfect accessory for your USB-C laptop or MacBook, fitting easily into your carrying case.

Has good Amazon Reviews.

$27 Shop Now

Amazon has the StarTech 4K 60Hz USB-C to HDMI Adapter )Silver, USBC-HDMI-CDP2HD4K60) for $27 with free shipping. List price: $37. Features USB-C to HDMI 2.0b adapter w/ HDR10, fully compatible with your HDMI 2.0b equipment, supporting resolutions up to 4K 60Hz (3840 X 2160) and bandwidths up to 18Gbps. This lightweight 4K adapter is highly portable, with a small-footprint design. It's the perfect accessory for your USB-C laptop or MacBook, fitting easily into your carrying case.

Has good Amazon Reviews.

$27