The new iPod touch features Apple’s stunning Retina™ display, FaceTime® video calling, HD video recording, Apple’s A4 chip, 3-axis gyro, iOS 4.1 and Game Center – all combined in the thinnest and lightest iPod touch. The Retina display has 960 x 640 pixels – four times as many pixels as before. The resulting density of 326 pixels per inch means that the human eye is unable to distinguish individual pixels when the iPod touch is held at a normal distance, making text, images and videos look sharper, smoother and more realistic. In a single battery charge there is up to 40 hours of music playback and seven hours of video playback.