iPod Touch - Wikipedia, the free encyclopedia
1st, 2nd, and 3rd gen: 3.5 in (89 mm) diagonal (3:2 aspect ratio), scratch-resistant glossy glass covered screen, 262,144-color (18-bit) TN LCD, 480×320 px (HVGA) at 163 ppi, 200:1 contrast ratio 4th gen: 3.5 in (89 mm) diagonal (3:2 aspect ratio), multi-...