BluePack S7 Case with 1500 mAh Lithium Polymer Battery for iPhone 3GS/3G/iPod. BluePack S7 comes with high quality PC cover extends your iPhone talk time by up to 3.5 hours or 7 hours video playing time or 36 hours music playing - via the exceptional 1500mA Lithium Polymer battery. With an included micro-USB cable, you can also charge your iPod touch, so you never need to worry about running out when playing games.BluePack S7 also features a built-in sliding stand so you can easily enjoy hands-free video viewing at your desk, on the plane - any flat surface. Capacity: 1500mA Lithium Polymer Battery Power: Input power:5V DC,1A, Output power:5V DC,500mA . Compatible with: iPhone 3G, iPhone, Ipod touch 2nd gen, iPod touch. What’s in the box: 1x Rechargable battery with protective case 1500mA, 1x Micro USB cable