H100d Wired portable folding headphone

Model – Viewsonic VX2257-MHD
Display Size (Inch) – 21.5″
Display Resolution – 1920 x 1080
Contrast Ratio (TCR/DCR) – 1000:1 (Static), 80M:1 (Dynamic)
VGA Port – 1
HDMI Port – 1

Model – ViewSonic TD2220
Display Size (Inch) – 21.5″
Display Resolution – 1920 x 1080
Contrast Ratio (TCR/DCR) – 1,000:1 (typical),
20,000,000:1 (DCR)
VGA Port – 1
Specialty – 7H hardness screen