1.Real leather :Premium Leather exterior prevents finger prints, dirt, and scratches; 2.Portable battery pack with 8,000 mAh capacity, Li Polymer battery. 3.Rapid Input Charging:OUTPUTS:5V/1A,INPUT:5V/2.1A. 4.Power Indicator Lights, each of the 4 blue LEDs indicates 25% of the battery is charged. 5.Compact and lightweight design is easy to carry with and PERFECT for a wide range of occasions.