KDAYI 1400mAh Credit-Card-Size Extreme Thin 4.5mm Portable Power Bank Backup External Battery Mobile Power Charger Built-in Micro USB Cable For for iPhone 5S/Samsung Galaxy /Android Smart Phones (Blue) Capacity: 1400mAh, Li-polymer, Built-in micro USB output, not need to bring separated cable. Ultra Slim Design for Easy CarryingSuper slim, OK to put in to wallet. For iPhones requires Micro USB to iPhone Lightning Converter(Not included). Capacity: 1400mAh,Dimensions: 3.6" x 2.08" x .0.19" (9.2 x5.3 x0.49cm),Color:bluegoldrose redsliver Package includes: External Battery, Micro USB wire