M-Edge BPK-G4-C-MT Graffiti Pack w/ 4000 mAh Battery - Multi Colored

Patent-pending USB interface on exterior of bag that allows you to charge your phone or tablet on-the-goIncluded battery provides 4000 mAh charging capacity to power your tablet or smartphoneProvides an additional 25 hours of battery life for your smartphone or 8 hours for your tablet