... iPod plug or connect with computer by USB cable. Charging display: LED lights on left upside flash when charging the mobile, no ... battery when you press the button on right upside. Charged display: LED lights on left upside flash one by one from left ... Classic 160GB, 80GB, 120GBiPod 4th Gen 20GB (Color Display), 30GB (Color Display), 60GB (Color Display), 40GB (Photo), 60GB (Photo), U2 Special Edition, ...