Power bank,Lankoo 5000mah Power Banks,Credit Card Size Portable Power Bank for iPhone 6 5S/S/4S, iPad,Samsung Galaxy,Nokia,Tablet PC and most USB devices (Mars) UNIQUE: beautiful fashion design and 3D printing process SURFACE: Coated Rubber Oil and touched as skin feeling CAPACITY: high quality 5000mAh rechargeable Li Polymer battery SAFETY: 4 layers PCBA to protect against short-circuit and high temperature Quick Charge: 4-LED power indicators and automatic charge, 5V 2A input and output