Introducing the world's first iconic design and award winning battery pack solution for iPhone, "The Icon" backup battery for iPhone. "The Icon", inspired according to the battery icon on iPhone, is designed specifically for the iPhone backup power solution. Familiar translucent green bars, courtesy of Icon's EL film technology, indicate the charge left in the power pack, giving you an at-a-glance way to check your remaining charge. The Icon can offer you an additional talk time of up to 3 hours and audio playback for up to 18 hours (based on 3GS). It is compatible with iPhone 3G, 3GS, 4 and iPod. The Icon is easy to use. Simply plug it into your iPhone and it will start charging automatically. Ultra-portable with dimensions of just 72 x 46 x 16 mm and weighs only 43 grams. It also includes a travel pouch for additional convenience. The Icon has been entitled by the Taiwan Good Design (GD-Mark) and also an "Work with iPhone" licensed and certificated product by Apple. Features: Iconic Design and entitled Good Design Product Extend iPhone talk time up to 3 hours, and audio play back up to 18 hours Featuring EL Technology as power status indicator Compact, easy to use, User friendly design Use high safety Lithium-Ion Polymer Battery Package Contents: The Icon battery pack Instructions manual Mini-USB cable for charing Travel Pouch