Featuresr this power bank is of exquisite workmanship the surface is water and corrosion resistant and is perfect for everyday user remote bluetooth photo shutter and anti lost 3600mah large capacity premium li ion battery cells add an extra 3600mah to the battery life of your smartphone tablet or digital camerar support bluetooth 40 it can serve as a remote for photo taking what a great necessity on your journeyr first grade circuit chip protection not only provides protection bu