Portable 4K Monitor for Working and Traveling, UPERFECT 15.6' Portable Monitor W/ Smart Stand & Dual Speakers Eye Care External Second Screen for...

Portable 4K Monitor for Working and Traveling, UPERFECT 15.6' Portable Monitor W/ Smart Stand & Dual Speakers Eye Care External Second Screen for Laptop Resolution: 3840 x 2160 (4K) Built-in Speakers: 2 x 2W Panel: IPS Display Type: UHD Maximum Resolution: 3840 x 2160 Viewing Angle: 178° (H) / 178° (V) Display Colors: 16.7 Million Refresh Rate: 60Hz