Compact shape: Designed to be easy to hold while talking on your phone, Also can put in pocket, clutch bag or purse handbag easily.
Just enough juice: 3000mah capacity can charge your phone about 60-80% more. Gives your phone the extra boost it needs at the end of the day.
Pass through: Simultaneously charges your smartphone while charging the battery pack, this is super useful when you often need phone and battery pack to charge the same time overnight.