... Time: Around 2 hours Usage:Charging method: plug into power socket of related device. It can be charged by the iPhone ... iPod plug or connect with computer by USB cable. Charging display: LED lights on left upside flash when charging the mobile ... Classic 160GB, 80GB, 120GBiPod 4th Gen 20GB (Color Display), 30GB (Color Display), 60GB (Color Display), 40GB (Photo), 60GB (Photo), U2 Special Edition, 20GB ...