Woot has the HOTFUN USB-C to HDMI 4K 60Hz Adapter for $1.95 (14.99 – 67% instant savings – 3 coupon) for a limited time. To get the discount, use the coupon code: SAVE3 at checkout. Shipping is Free for Prime Members. Amazon currently has it for $10.91 direct.

This is a Plug And Play Usb-C To HDMI Adapter that supports up to 4K at 60Hz. It has a wide compatibility that is stated to work with Macs, Windows PCs, Chromebooks, tablets and smartphones.