EC Technology 18000mAh Ultra Slim (12mm thin) Dual-Port Power Bank Aluminum Alloy External Battery Charger for iPhone 6 6 Plus 5S 5C 5 4S 4, iPad Air, mini, Galaxy S5 S4 S3, Note 4 3, Nexus, HTC One, most other Phones and Tablets-Black Ultra slim(12mm thin) size makes it easy to carry and fits easily into handbag. Sleek, compact design, sturdy aluminum body withstands scratches and bumps, ensures usage for years to come. 18000mAh capacity with high efficiency rate enable it to charge an iPhone 4s 10 times, a large capacity phone like Glaxy S4 5 times, or an iPad mini 3 times. Dual USB (2.1A + 1.0A) for charging 2 devices simultaneously. There are 3 LED modes: SOS mode, power status mode, highlight mode. Constructed with A+ Li-Polymer battery cells and build-in microchips to ensure safety use and long lifespan. Package contents: EC Technology 18000mAh External Battery, 1 Micro USB charging cable, User manual