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.