USB-C to DisplayPort Adapter Cable 4K&60Hz 6ft/1.8m, USB 3.1 Male (Thunderbolt 3 Compatible) to DP Male 4K Cable for the 2016 MacBook Pro, 2017 MacBook, ChromeBook pixel $8.85

USB-C to DisplayPort Adapter Cable 4K&60Hz 6ft/1.8m, USB 3.1 Type C Male (Thunderbolt 3 Compatible) to DP Male 4K Cable for the 2016 MacBook Pro, 2017 MacBook, ChromeBook Pixel
-6.15 with promo code PGGVF4PG
free shipping with prime or over 25$
https://smile.amazon.com/dp/B074GVQBY2