How much does this cost to the nearest dollar?

MSDONG Touchscreen 4K Portable Monitor - 15.6 IPS sRGB Monitor for Laptop,FreeSync with Built-in Speakers HDMI for PS4 Switch Laptop PC Phone Mac Surface,VESA mountable
4k HIGH RESOLUTION,WIDE COMPATIBILITY Compatible with Macbook series,compatible with MAC MINI.You can use USB-C and Mini-HDMI port to connect a variety of devices such as laptops, smartphones, gaming devices, cameras, tablets. ULTRA SLIM IPS THICKNESS Compared to using multiple monitors, there is no bezel between monitors and allows for smooth gliding of sight even with wide side information. Excellent visibility and eliminates the need for annoying window operations to help you work efficiently. When you are on business trips or traveling, you can work on a wide screen

Price is $320.00
Price: $319.9