Add more than a full charge or 9 hours of additional talk time to your iPhone 5 / 4 / 4S / 3G / 3GS. On most other phones, benefit from 1 full charge or 90+ hours of audio playback. Stylish, compact, lightweight design (3.5 x 0.9 x 0.9in, 2.7oz) fits easily into any pocket or bag. Expires Nov 20, 2013

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