USTOP&trade;New Blue 2600mAh Portable Small Perfume scent Power Bank Backup External Battery for iPhone 5 4S 4 3GS, iPod other portable digital products Battery capacity: 2600mAh, Battery type: 18650 lithium Input: DC 5.0V - 0.5A Output: DC 5.0V - 1A Fashionable, stylish, light-weighted design and portable Compatible with all mobile phones charged by USB port Cycle life: More than 500 times, Conversion rate: reach to 85%